Home / 61,988.30-85,565.79-36,837.50

Finding the Fourth Proportional to 61,988.30, 85,565.79 and 36,837.50

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Solution

The fourth proportional to 61,988.30, 85,565.79 and 36,837.50 is: 50,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,988.30 : 85,565.79 = 36,837.50 : x
  2. Step 2: Convert to fraction form
    61,988.30/85,565.79 = 36,837.50/x
  3. Step 3: Cross multiply
    61,988.30x = 85,565.79 × 36,837.50
  4. Step 4: Simplify right side
    61,988.30x = 3,152,029,789.13
  5. Step 5: Solve for x
    x = 3,152,029,789.13/61,988.30
  6. Step 6: Final answer
    x = 50,848.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.