Home / 57,743.01-86,614.38-31,392.36

Finding the Fourth Proportional to 57,743.01, 86,614.38 and 31,392.36

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Solution

The fourth proportional to 57,743.01, 86,614.38 and 31,392.36 is: 47,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.01 : 86,614.38 = 31,392.36 : x
  2. Step 2: Convert to fraction form
    57,743.01/86,614.38 = 31,392.36/x
  3. Step 3: Cross multiply
    57,743.01x = 86,614.38 × 31,392.36
  4. Step 4: Simplify right side
    57,743.01x = 2,719,029,798.14
  5. Step 5: Solve for x
    x = 2,719,029,798.14/57,743.01
  6. Step 6: Final answer
    x = 47,088.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.