Home / 31,372.17-47,064.03-10,313.40

Finding the Fourth Proportional to 31,372.17, 47,064.03 and 10,313.40

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Solution

The fourth proportional to 31,372.17, 47,064.03 and 10,313.40 is: 15,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.17 : 47,064.03 = 10,313.40 : x
  2. Step 2: Convert to fraction form
    31,372.17/47,064.03 = 10,313.40/x
  3. Step 3: Cross multiply
    31,372.17x = 47,064.03 × 10,313.40
  4. Step 4: Simplify right side
    31,372.17x = 485,390,167.00
  5. Step 5: Solve for x
    x = 485,390,167.00/31,372.17
  6. Step 6: Final answer
    x = 15,472.00

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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.