Home / 31,454.98-47,182.83-12,484.27

Finding the Fourth Proportional to 31,454.98, 47,182.83 and 12,484.27

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Solution

The fourth proportional to 31,454.98, 47,182.83 and 12,484.27 is: 18,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.98 : 47,182.83 = 12,484.27 : x
  2. Step 2: Convert to fraction form
    31,454.98/47,182.83 = 12,484.27/x
  3. Step 3: Cross multiply
    31,454.98x = 47,182.83 × 12,484.27
  4. Step 4: Simplify right side
    31,454.98x = 589,043,189.08
  5. Step 5: Solve for x
    x = 589,043,189.08/31,454.98
  6. Step 6: Final answer
    x = 18,726.55

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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.