Home / 51,440.30-77,159.90-39,036.52

Finding the Fourth Proportional to 51,440.30, 77,159.90 and 39,036.52

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Solution

The fourth proportional to 51,440.30, 77,159.90 and 39,036.52 is: 58,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,440.30 : 77,159.90 = 39,036.52 : x
  2. Step 2: Convert to fraction form
    51,440.30/77,159.90 = 39,036.52/x
  3. Step 3: Cross multiply
    51,440.30x = 77,159.90 × 39,036.52
  4. Step 4: Simplify right side
    51,440.30x = 3,012,053,979.55
  5. Step 5: Solve for x
    x = 3,012,053,979.55/51,440.30
  6. Step 6: Final answer
    x = 58,554.36

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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.