Home / 42,781.02-64,177.06-16,493.28

Finding the Fourth Proportional to 42,781.02, 64,177.06 and 16,493.28

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Solution

The fourth proportional to 42,781.02, 64,177.06 and 16,493.28 is: 24,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.02 : 64,177.06 = 16,493.28 : x
  2. Step 2: Convert to fraction form
    42,781.02/64,177.06 = 16,493.28/x
  3. Step 3: Cross multiply
    42,781.02x = 64,177.06 × 16,493.28
  4. Step 4: Simplify right side
    42,781.02x = 1,058,490,220.16
  5. Step 5: Solve for x
    x = 1,058,490,220.16/42,781.02
  6. Step 6: Final answer
    x = 24,742.05

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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.