Home / 31,366.90-47,050.08-13,836.75

Finding the Fourth Proportional to 31,366.90, 47,050.08 and 13,836.75

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Solution

The fourth proportional to 31,366.90, 47,050.08 and 13,836.75 is: 20,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.90 : 47,050.08 = 13,836.75 : x
  2. Step 2: Convert to fraction form
    31,366.90/47,050.08 = 13,836.75/x
  3. Step 3: Cross multiply
    31,366.90x = 47,050.08 × 13,836.75
  4. Step 4: Simplify right side
    31,366.90x = 651,020,194.44
  5. Step 5: Solve for x
    x = 651,020,194.44/31,366.90
  6. Step 6: Final answer
    x = 20,755.01

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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.