Home / 31,840.85-47,755.15-30,260.35

Finding the Fourth Proportional to 31,840.85, 47,755.15 and 30,260.35

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Solution

The fourth proportional to 31,840.85, 47,755.15 and 30,260.35 is: 45,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.85 : 47,755.15 = 30,260.35 : x
  2. Step 2: Convert to fraction form
    31,840.85/47,755.15 = 30,260.35/x
  3. Step 3: Cross multiply
    31,840.85x = 47,755.15 × 30,260.35
  4. Step 4: Simplify right side
    31,840.85x = 1,445,087,553.30
  5. Step 5: Solve for x
    x = 1,445,087,553.30/31,840.85
  6. Step 6: Final answer
    x = 45,384.70

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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.