Home / 40,019.55-59,987.61-15,042.39

Finding the Fourth Proportional to 40,019.55, 59,987.61 and 15,042.39

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Solution

The fourth proportional to 40,019.55, 59,987.61 and 15,042.39 is: 22,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.55 : 59,987.61 = 15,042.39 : x
  2. Step 2: Convert to fraction form
    40,019.55/59,987.61 = 15,042.39/x
  3. Step 3: Cross multiply
    40,019.55x = 59,987.61 × 15,042.39
  4. Step 4: Simplify right side
    40,019.55x = 902,357,024.79
  5. Step 5: Solve for x
    x = 902,357,024.79/40,019.55
  6. Step 6: Final answer
    x = 22,547.91

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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.