Home / 42,420.72-63,605.84-16,127.44

Finding the Fourth Proportional to 42,420.72, 63,605.84 and 16,127.44

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Solution

The fourth proportional to 42,420.72, 63,605.84 and 16,127.44 is: 24,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.72 : 63,605.84 = 16,127.44 : x
  2. Step 2: Convert to fraction form
    42,420.72/63,605.84 = 16,127.44/x
  3. Step 3: Cross multiply
    42,420.72x = 63,605.84 × 16,127.44
  4. Step 4: Simplify right side
    42,420.72x = 1,025,799,368.25
  5. Step 5: Solve for x
    x = 1,025,799,368.25/42,420.72
  6. Step 6: Final answer
    x = 24,181.56

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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.