Home / 51,117.60-70,546.68-28,456.20

Finding the Fourth Proportional to 51,117.60, 70,546.68 and 28,456.20

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Solution

The fourth proportional to 51,117.60, 70,546.68 and 28,456.20 is: 39,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.60 : 70,546.68 = 28,456.20 : x
  2. Step 2: Convert to fraction form
    51,117.60/70,546.68 = 28,456.20/x
  3. Step 3: Cross multiply
    51,117.60x = 70,546.68 × 28,456.20
  4. Step 4: Simplify right side
    51,117.60x = 2,007,490,435.42
  5. Step 5: Solve for x
    x = 2,007,490,435.42/51,117.60
  6. Step 6: Final answer
    x = 39,272.00

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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.