Home / 34,515.60-47,614.68-21,944.40

Finding the Fourth Proportional to 34,515.60, 47,614.68 and 21,944.40

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Solution

The fourth proportional to 34,515.60, 47,614.68 and 21,944.40 is: 30,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.60 : 47,614.68 = 21,944.40 : x
  2. Step 2: Convert to fraction form
    34,515.60/47,614.68 = 21,944.40/x
  3. Step 3: Cross multiply
    34,515.60x = 47,614.68 × 21,944.40
  4. Step 4: Simplify right side
    34,515.60x = 1,044,875,583.79
  5. Step 5: Solve for x
    x = 1,044,875,583.79/34,515.60
  6. Step 6: Final answer
    x = 30,272.56

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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.