Home / 57,345.14-79,133.60-31,853.15

Finding the Fourth Proportional to 57,345.14, 79,133.60 and 31,853.15

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Solution

The fourth proportional to 57,345.14, 79,133.60 and 31,853.15 is: 43,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.14 : 79,133.60 = 31,853.15 : x
  2. Step 2: Convert to fraction form
    57,345.14/79,133.60 = 31,853.15/x
  3. Step 3: Cross multiply
    57,345.14x = 79,133.60 × 31,853.15
  4. Step 4: Simplify right side
    57,345.14x = 2,520,653,875.91
  5. Step 5: Solve for x
    x = 2,520,653,875.91/57,345.14
  6. Step 6: Final answer
    x = 43,955.85

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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.