Home / 31,401.17-47,038.12-15,558.48

Finding the Fourth Proportional to 31,401.17, 47,038.12 and 15,558.48

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Solution

The fourth proportional to 31,401.17, 47,038.12 and 15,558.48 is: 23,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.17 : 47,038.12 = 15,558.48 : x
  2. Step 2: Convert to fraction form
    31,401.17/47,038.12 = 15,558.48/x
  3. Step 3: Cross multiply
    31,401.17x = 47,038.12 × 15,558.48
  4. Step 4: Simplify right side
    31,401.17x = 731,841,610.36
  5. Step 5: Solve for x
    x = 731,841,610.36/31,401.17
  6. Step 6: Final answer
    x = 23,306.19

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1.5x scale

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.