Home / 40,089.24-60,143.40-12,011.64

Finding the Fourth Proportional to 40,089.24, 60,143.40 and 12,011.64

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Solution

The fourth proportional to 40,089.24, 60,143.40 and 12,011.64 is: 18,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.24 : 60,143.40 = 12,011.64 : x
  2. Step 2: Convert to fraction form
    40,089.24/60,143.40 = 12,011.64/x
  3. Step 3: Cross multiply
    40,089.24x = 60,143.40 × 12,011.64
  4. Step 4: Simplify right side
    40,089.24x = 722,420,869.18
  5. Step 5: Solve for x
    x = 722,420,869.18/40,089.24
  6. Step 6: Final answer
    x = 18,020.32

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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.