Home / 42,985.65-64,502.01-16,691.43

Finding the Fourth Proportional to 42,985.65, 64,502.01 and 16,691.43

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Solution

The fourth proportional to 42,985.65, 64,502.01 and 16,691.43 is: 25,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,985.65 : 64,502.01 = 16,691.43 : x
  2. Step 2: Convert to fraction form
    42,985.65/64,502.01 = 16,691.43/x
  3. Step 3: Cross multiply
    42,985.65x = 64,502.01 × 16,691.43
  4. Step 4: Simplify right side
    42,985.65x = 1,076,630,784.77
  5. Step 5: Solve for x
    x = 1,076,630,784.77/42,985.65
  6. Step 6: Final answer
    x = 25,046.28

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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.