Home / 40,042.53-60,031.40-16,686.45

Finding the Fourth Proportional to 40,042.53, 60,031.40 and 16,686.45

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Solution

The fourth proportional to 40,042.53, 60,031.40 and 16,686.45 is: 25,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.53 : 60,031.40 = 16,686.45 : x
  2. Step 2: Convert to fraction form
    40,042.53/60,031.40 = 16,686.45/x
  3. Step 3: Cross multiply
    40,042.53x = 60,031.40 × 16,686.45
  4. Step 4: Simplify right side
    40,042.53x = 1,001,710,871.10
  5. Step 5: Solve for x
    x = 1,001,710,871.10/40,042.53
  6. Step 6: Final answer
    x = 25,016.17

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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.