Home / 74,564-111,861.36-30,788

Finding the Fourth Proportional to 74,564, 111,861.36 and 30,788

Calculator

Solution

The fourth proportional to 74,564, 111,861.36 and 30,788 is: 46,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564 : 111,861.36 = 30,788 : x
  2. Step 2: Convert to fraction form
    74,564/111,861.36 = 30,788/x
  3. Step 3: Cross multiply
    74,564x = 111,861.36 × 30,788
  4. Step 4: Simplify right side
    74,564x = 3,443,987,551.68
  5. Step 5: Solve for x
    x = 3,443,987,551.68/74,564
  6. Step 6: Final answer
    x = 46,188.34

Related Problems

Find fourth proportional to 37,282, 55,930.68 and 15,394
Half scale
Find fourth proportional to 149,128, 223,722.72 and 61,576
Double scale
Find fourth proportional to 74,565, 111,862.86 and 30,789
Similar ratio
Find fourth proportional to 111,846, 167,792.04 and 46,182
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.