Home / 56,678.76-84,951.72-30,402.36

Finding the Fourth Proportional to 56,678.76, 84,951.72 and 30,402.36

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Solution

The fourth proportional to 56,678.76, 84,951.72 and 30,402.36 is: 45,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678.76 : 84,951.72 = 30,402.36 : x
  2. Step 2: Convert to fraction form
    56,678.76/84,951.72 = 30,402.36/x
  3. Step 3: Cross multiply
    56,678.76x = 84,951.72 × 30,402.36
  4. Step 4: Simplify right side
    56,678.76x = 2,582,732,774.06
  5. Step 5: Solve for x
    x = 2,582,732,774.06/56,678.76
  6. Step 6: Final answer
    x = 45,567.91

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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.