Home / 34,931.20-52,366.16-13,885.92

Finding the Fourth Proportional to 34,931.20, 52,366.16 and 13,885.92

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Solution

The fourth proportional to 34,931.20, 52,366.16 and 13,885.92 is: 20,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.20 : 52,366.16 = 13,885.92 : x
  2. Step 2: Convert to fraction form
    34,931.20/52,366.16 = 13,885.92/x
  3. Step 3: Cross multiply
    34,931.20x = 52,366.16 × 13,885.92
  4. Step 4: Simplify right side
    34,931.20x = 727,152,308.47
  5. Step 5: Solve for x
    x = 727,152,308.47/34,931.20
  6. Step 6: Final answer
    x = 20,816.70

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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.