Home / 43,423.14-65,142.51-15,359.46

Finding the Fourth Proportional to 43,423.14, 65,142.51 and 15,359.46

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Solution

The fourth proportional to 43,423.14, 65,142.51 and 15,359.46 is: 23,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.14 : 65,142.51 = 15,359.46 : x
  2. Step 2: Convert to fraction form
    43,423.14/65,142.51 = 15,359.46/x
  3. Step 3: Cross multiply
    43,423.14x = 65,142.51 × 15,359.46
  4. Step 4: Simplify right side
    43,423.14x = 1,000,553,776.64
  5. Step 5: Solve for x
    x = 1,000,553,776.64/43,423.14
  6. Step 6: Final answer
    x = 23,041.95

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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.