Home / 55,262.40-82,929.90-30,319.92

Finding the Fourth Proportional to 55,262.40, 82,929.90 and 30,319.92

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Solution

The fourth proportional to 55,262.40, 82,929.90 and 30,319.92 is: 45,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.40 : 82,929.90 = 30,319.92 : x
  2. Step 2: Convert to fraction form
    55,262.40/82,929.90 = 30,319.92/x
  3. Step 3: Cross multiply
    55,262.40x = 82,929.90 × 30,319.92
  4. Step 4: Simplify right side
    55,262.40x = 2,514,427,933.61
  5. Step 5: Solve for x
    x = 2,514,427,933.61/55,262.40
  6. Step 6: Final answer
    x = 45,499.80

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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.