Home / 51,248.55-76,877.85-21,256.59

Finding the Fourth Proportional to 51,248.55, 76,877.85 and 21,256.59

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Solution

The fourth proportional to 51,248.55, 76,877.85 and 21,256.59 is: 31,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.55 : 76,877.85 = 21,256.59 : x
  2. Step 2: Convert to fraction form
    51,248.55/76,877.85 = 21,256.59/x
  3. Step 3: Cross multiply
    51,248.55x = 76,877.85 × 21,256.59
  4. Step 4: Simplify right side
    51,248.55x = 1,634,160,937.53
  5. Step 5: Solve for x
    x = 1,634,160,937.53/51,248.55
  6. Step 6: Final answer
    x = 31,886.97

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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.