Home / 31,444.10-47,166.18-8,070.56

Finding the Fourth Proportional to 31,444.10, 47,166.18 and 8,070.56

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Solution

The fourth proportional to 31,444.10, 47,166.18 and 8,070.56 is: 12,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.10 : 47,166.18 = 8,070.56 : x
  2. Step 2: Convert to fraction form
    31,444.10/47,166.18 = 8,070.56/x
  3. Step 3: Cross multiply
    31,444.10x = 47,166.18 × 8,070.56
  4. Step 4: Simplify right side
    31,444.10x = 380,657,485.66
  5. Step 5: Solve for x
    x = 380,657,485.66/31,444.10
  6. Step 6: Final answer
    x = 12,105.85

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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.