Home / 31,641.12-47,475.36-14,991.84

Finding the Fourth Proportional to 31,641.12, 47,475.36 and 14,991.84

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Solution

The fourth proportional to 31,641.12, 47,475.36 and 14,991.84 is: 22,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.12 : 47,475.36 = 14,991.84 : x
  2. Step 2: Convert to fraction form
    31,641.12/47,475.36 = 14,991.84/x
  3. Step 3: Cross multiply
    31,641.12x = 47,475.36 × 14,991.84
  4. Step 4: Simplify right side
    31,641.12x = 711,743,001.06
  5. Step 5: Solve for x
    x = 711,743,001.06/31,641.12
  6. Step 6: Final answer
    x = 22,494.24

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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.