Home / 46,638.40-69,931.94-31,864

Finding the Fourth Proportional to 46,638.40, 69,931.94 and 31,864

Calculator

Solution

The fourth proportional to 46,638.40, 69,931.94 and 31,864 is: 47,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,638.40 : 69,931.94 = 31,864 : x
  2. Step 2: Convert to fraction form
    46,638.40/69,931.94 = 31,864/x
  3. Step 3: Cross multiply
    46,638.40x = 69,931.94 × 31,864
  4. Step 4: Simplify right side
    46,638.40x = 2,228,311,336.16
  5. Step 5: Solve for x
    x = 2,228,311,336.16/46,638.40
  6. Step 6: Final answer
    x = 47,778.47

Related Problems

Find fourth proportional to 23,319.20, 34,965.97 and 15,932
Half scale
Find fourth proportional to 93,276.80, 139,863.88 and 63,728
Double scale
Find fourth proportional to 46,639.40, 69,933.44 and 31,865
Similar ratio
Find fourth proportional to 69,957.60, 104,897.91 and 47,796
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.