Home / 63,045.28-87,002.76-34,750.40

Finding the Fourth Proportional to 63,045.28, 87,002.76 and 34,750.40

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Solution

The fourth proportional to 63,045.28, 87,002.76 and 34,750.40 is: 47,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,045.28 : 87,002.76 = 34,750.40 : x
  2. Step 2: Convert to fraction form
    63,045.28/87,002.76 = 34,750.40/x
  3. Step 3: Cross multiply
    63,045.28x = 87,002.76 × 34,750.40
  4. Step 4: Simplify right side
    63,045.28x = 3,023,380,711.10
  5. Step 5: Solve for x
    x = 3,023,380,711.10/63,045.28
  6. Step 6: Final answer
    x = 47,955.70

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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.