Home / 77,574.03-116,367.78-21,414.18

Finding the Fourth Proportional to 77,574.03, 116,367.78 and 21,414.18

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Solution

The fourth proportional to 77,574.03, 116,367.78 and 21,414.18 is: 32,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574.03 : 116,367.78 = 21,414.18 : x
  2. Step 2: Convert to fraction form
    77,574.03/116,367.78 = 21,414.18/x
  3. Step 3: Cross multiply
    77,574.03x = 116,367.78 × 21,414.18
  4. Step 4: Simplify right side
    77,574.03x = 2,491,920,587.12
  5. Step 5: Solve for x
    x = 2,491,920,587.12/77,574.03
  6. Step 6: Final answer
    x = 32,123.13

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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.