Home / 30,624.38-45,948.45-11,917.55

Finding the Fourth Proportional to 30,624.38, 45,948.45 and 11,917.55

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Solution

The fourth proportional to 30,624.38, 45,948.45 and 11,917.55 is: 17,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.38 : 45,948.45 = 11,917.55 : x
  2. Step 2: Convert to fraction form
    30,624.38/45,948.45 = 11,917.55/x
  3. Step 3: Cross multiply
    30,624.38x = 45,948.45 × 11,917.55
  4. Step 4: Simplify right side
    30,624.38x = 547,592,934.32
  5. Step 5: Solve for x
    x = 547,592,934.32/30,624.38
  6. Step 6: Final answer
    x = 17,880.95

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1.5x scale

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.