Home / 42,487.26-63,730.88-20,233.16

Finding the Fourth Proportional to 42,487.26, 63,730.88 and 20,233.16

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Solution

The fourth proportional to 42,487.26, 63,730.88 and 20,233.16 is: 30,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.26 : 63,730.88 = 20,233.16 : x
  2. Step 2: Convert to fraction form
    42,487.26/63,730.88 = 20,233.16/x
  3. Step 3: Cross multiply
    42,487.26x = 63,730.88 × 20,233.16
  4. Step 4: Simplify right side
    42,487.26x = 1,289,477,091.98
  5. Step 5: Solve for x
    x = 1,289,477,091.98/42,487.26
  6. Step 6: Final answer
    x = 30,349.74

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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.