Home / 51,580.29-77,354.24-19,988.17

Finding the Fourth Proportional to 51,580.29, 77,354.24 and 19,988.17

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Solution

The fourth proportional to 51,580.29, 77,354.24 and 19,988.17 is: 29,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.29 : 77,354.24 = 19,988.17 : x
  2. Step 2: Convert to fraction form
    51,580.29/77,354.24 = 19,988.17/x
  3. Step 3: Cross multiply
    51,580.29x = 77,354.24 × 19,988.17
  4. Step 4: Simplify right side
    51,580.29x = 1,546,169,699.34
  5. Step 5: Solve for x
    x = 1,546,169,699.34/51,580.29
  6. Step 6: Final answer
    x = 29,975.98

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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.