Home / 57,931.11-79,951.65-35,283.39

Finding the Fourth Proportional to 57,931.11, 79,951.65 and 35,283.39

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Solution

The fourth proportional to 57,931.11, 79,951.65 and 35,283.39 is: 48,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931.11 : 79,951.65 = 35,283.39 : x
  2. Step 2: Convert to fraction form
    57,931.11/79,951.65 = 35,283.39/x
  3. Step 3: Cross multiply
    57,931.11x = 79,951.65 × 35,283.39
  4. Step 4: Simplify right side
    57,931.11x = 2,820,965,248.09
  5. Step 5: Solve for x
    x = 2,820,965,248.09/57,931.11
  6. Step 6: Final answer
    x = 48,695.17

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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.