Home / 75,436-113,154-19,276.24

Finding the Fourth Proportional to 75,436, 113,154 and 19,276.24

Calculator

Solution

The fourth proportional to 75,436, 113,154 and 19,276.24 is: 28,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,436 : 113,154 = 19,276.24 : x
  2. Step 2: Convert to fraction form
    75,436/113,154 = 19,276.24/x
  3. Step 3: Cross multiply
    75,436x = 113,154 × 19,276.24
  4. Step 4: Simplify right side
    75,436x = 2,181,183,660.96
  5. Step 5: Solve for x
    x = 2,181,183,660.96/75,436
  6. Step 6: Final answer
    x = 28,914.36

Related Problems

Find fourth proportional to 37,718, 56,577 and 9,638.12
Half scale
Find fourth proportional to 150,872, 226,308 and 38,552.48
Double scale
Find fourth proportional to 75,437, 113,155.50 and 19,277.24
Similar ratio
Find fourth proportional to 113,154, 169,731 and 28,914.36
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.