Home / 57,345.39-79,133.94-31,853.40

Finding the Fourth Proportional to 57,345.39, 79,133.94 and 31,853.40

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Solution

The fourth proportional to 57,345.39, 79,133.94 and 31,853.40 is: 43,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.39 : 79,133.94 = 31,853.40 : x
  2. Step 2: Convert to fraction form
    57,345.39/79,133.94 = 31,853.40/x
  3. Step 3: Cross multiply
    57,345.39x = 79,133.94 × 31,853.40
  4. Step 4: Simplify right side
    57,345.39x = 2,520,685,044.40
  5. Step 5: Solve for x
    x = 2,520,685,044.40/57,345.39
  6. Step 6: Final answer
    x = 43,956.19

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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.