Home / 55,159.72-82,681.11-23,543.89

Finding the Fourth Proportional to 55,159.72, 82,681.11 and 23,543.89

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Solution

The fourth proportional to 55,159.72, 82,681.11 and 23,543.89 is: 35,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.72 : 82,681.11 = 23,543.89 : x
  2. Step 2: Convert to fraction form
    55,159.72/82,681.11 = 23,543.89/x
  3. Step 3: Cross multiply
    55,159.72x = 82,681.11 × 23,543.89
  4. Step 4: Simplify right side
    55,159.72x = 1,946,634,752.22
  5. Step 5: Solve for x
    x = 1,946,634,752.22/55,159.72
  6. Step 6: Final answer
    x = 35,290.88

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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.