Home / 69,281.28-103,931.10-22,518.36

Finding the Fourth Proportional to 69,281.28, 103,931.10 and 22,518.36

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Solution

The fourth proportional to 69,281.28, 103,931.10 and 22,518.36 is: 33,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281.28 : 103,931.10 = 22,518.36 : x
  2. Step 2: Convert to fraction form
    69,281.28/103,931.10 = 22,518.36/x
  3. Step 3: Cross multiply
    69,281.28x = 103,931.10 × 22,518.36
  4. Step 4: Simplify right side
    69,281.28x = 2,340,357,925.00
  5. Step 5: Solve for x
    x = 2,340,357,925.00/69,281.28
  6. Step 6: Final answer
    x = 33,780.52

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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.