Home / 40,130.79-55,387.31-23,132.00

Finding the Fourth Proportional to 40,130.79, 55,387.31 and 23,132.00

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Solution

The fourth proportional to 40,130.79, 55,387.31 and 23,132.00 is: 31,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.79 : 55,387.31 = 23,132.00 : x
  2. Step 2: Convert to fraction form
    40,130.79/55,387.31 = 23,132.00/x
  3. Step 3: Cross multiply
    40,130.79x = 55,387.31 × 23,132.00
  4. Step 4: Simplify right side
    40,130.79x = 1,281,218,862.32
  5. Step 5: Solve for x
    x = 1,281,218,862.32/40,130.79
  6. Step 6: Final answer
    x = 31,926.08

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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.