Home / 34,862.64-48,117.48-20,712.75

Finding the Fourth Proportional to 34,862.64, 48,117.48 and 20,712.75

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Solution

The fourth proportional to 34,862.64, 48,117.48 and 20,712.75 is: 28,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,862.64 : 48,117.48 = 20,712.75 : x
  2. Step 2: Convert to fraction form
    34,862.64/48,117.48 = 20,712.75/x
  3. Step 3: Cross multiply
    34,862.64x = 48,117.48 × 20,712.75
  4. Step 4: Simplify right side
    34,862.64x = 996,645,333.87
  5. Step 5: Solve for x
    x = 996,645,333.87/34,862.64
  6. Step 6: Final answer
    x = 28,587.78

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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.