Home / 31,373.98-47,060.96-9,187.35

Finding the Fourth Proportional to 31,373.98, 47,060.96 and 9,187.35

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Solution

The fourth proportional to 31,373.98, 47,060.96 and 9,187.35 is: 13,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.98 : 47,060.96 = 9,187.35 : x
  2. Step 2: Convert to fraction form
    31,373.98/47,060.96 = 9,187.35/x
  3. Step 3: Cross multiply
    31,373.98x = 47,060.96 × 9,187.35
  4. Step 4: Simplify right side
    31,373.98x = 432,365,510.86
  5. Step 5: Solve for x
    x = 432,365,510.86/31,373.98
  6. Step 6: Final answer
    x = 13,781.02

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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.