Home / 57,008.76-78,671.68-31,858.26

Finding the Fourth Proportional to 57,008.76, 78,671.68 and 31,858.26

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Solution

The fourth proportional to 57,008.76, 78,671.68 and 31,858.26 is: 43,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.76 : 78,671.68 = 31,858.26 : x
  2. Step 2: Convert to fraction form
    57,008.76/78,671.68 = 31,858.26/x
  3. Step 3: Cross multiply
    57,008.76x = 78,671.68 × 31,858.26
  4. Step 4: Simplify right side
    57,008.76x = 2,506,342,836.08
  5. Step 5: Solve for x
    x = 2,506,342,836.08/57,008.76
  6. Step 6: Final answer
    x = 43,964.17

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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.