Home / 42,534.65-63,737.30-20,317.43

Finding the Fourth Proportional to 42,534.65, 63,737.30 and 20,317.43

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Solution

The fourth proportional to 42,534.65, 63,737.30 and 20,317.43 is: 30,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.65 : 63,737.30 = 20,317.43 : x
  2. Step 2: Convert to fraction form
    42,534.65/63,737.30 = 20,317.43/x
  3. Step 3: Cross multiply
    42,534.65x = 63,737.30 × 20,317.43
  4. Step 4: Simplify right side
    42,534.65x = 1,294,977,710.87
  5. Step 5: Solve for x
    x = 1,294,977,710.87/42,534.65
  6. Step 6: Final answer
    x = 30,445.25

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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.