Home / 42,655.79-63,962.62-13,066.49

Finding the Fourth Proportional to 42,655.79, 63,962.62 and 13,066.49

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Solution

The fourth proportional to 42,655.79, 63,962.62 and 13,066.49 is: 19,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.79 : 63,962.62 = 13,066.49 : x
  2. Step 2: Convert to fraction form
    42,655.79/63,962.62 = 13,066.49/x
  3. Step 3: Cross multiply
    42,655.79x = 63,962.62 × 13,066.49
  4. Step 4: Simplify right side
    42,655.79x = 835,766,934.60
  5. Step 5: Solve for x
    x = 835,766,934.60/42,655.79
  6. Step 6: Final answer
    x = 19,593.28

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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.