Home / 56,913.76-85,374.85-21,853.42

Finding the Fourth Proportional to 56,913.76, 85,374.85 and 21,853.42

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Solution

The fourth proportional to 56,913.76, 85,374.85 and 21,853.42 is: 32,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.76 : 85,374.85 = 21,853.42 : x
  2. Step 2: Convert to fraction form
    56,913.76/85,374.85 = 21,853.42/x
  3. Step 3: Cross multiply
    56,913.76x = 85,374.85 × 21,853.42
  4. Step 4: Simplify right side
    56,913.76x = 1,865,732,027.61
  5. Step 5: Solve for x
    x = 1,865,732,027.61/56,913.76
  6. Step 6: Final answer
    x = 32,781.74

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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.