Home / 35,561.23-53,304.40-11,862.43

Finding the Fourth Proportional to 35,561.23, 53,304.40 and 11,862.43

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Solution

The fourth proportional to 35,561.23, 53,304.40 and 11,862.43 is: 17,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.23 : 53,304.40 = 11,862.43 : x
  2. Step 2: Convert to fraction form
    35,561.23/53,304.40 = 11,862.43/x
  3. Step 3: Cross multiply
    35,561.23x = 53,304.40 × 11,862.43
  4. Step 4: Simplify right side
    35,561.23x = 632,319,713.69
  5. Step 5: Solve for x
    x = 632,319,713.69/35,561.23
  6. Step 6: Final answer
    x = 17,781.15

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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.