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Finding the Fourth Proportional to 56,001.78, 84,003.78 and 16,558.86

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Solution

The fourth proportional to 56,001.78, 84,003.78 and 16,558.86 is: 24,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,001.78 : 84,003.78 = 16,558.86 : x
  2. Step 2: Convert to fraction form
    56,001.78/84,003.78 = 16,558.86/x
  3. Step 3: Cross multiply
    56,001.78x = 84,003.78 × 16,558.86
  4. Step 4: Simplify right side
    56,001.78x = 1,391,006,832.49
  5. Step 5: Solve for x
    x = 1,391,006,832.49/56,001.78
  6. Step 6: Final answer
    x = 24,838.62

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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.