Home / 55,099.28-76,036.64-29,948.78

Finding the Fourth Proportional to 55,099.28, 76,036.64 and 29,948.78

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Solution

The fourth proportional to 55,099.28, 76,036.64 and 29,948.78 is: 41,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,099.28 : 76,036.64 = 29,948.78 : x
  2. Step 2: Convert to fraction form
    55,099.28/76,036.64 = 29,948.78/x
  3. Step 3: Cross multiply
    55,099.28x = 76,036.64 × 29,948.78
  4. Step 4: Simplify right side
    55,099.28x = 2,277,204,603.30
  5. Step 5: Solve for x
    x = 2,277,204,603.30/55,099.28
  6. Step 6: Final answer
    x = 41,329.12

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1.5x scale

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.