Home / 47,785.80-71,678.82-14,506.12

Finding the Fourth Proportional to 47,785.80, 71,678.82 and 14,506.12

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Solution

The fourth proportional to 47,785.80, 71,678.82 and 14,506.12 is: 21,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.80 : 71,678.82 = 14,506.12 : x
  2. Step 2: Convert to fraction form
    47,785.80/71,678.82 = 14,506.12/x
  3. Step 3: Cross multiply
    47,785.80x = 71,678.82 × 14,506.12
  4. Step 4: Simplify right side
    47,785.80x = 1,039,781,564.38
  5. Step 5: Solve for x
    x = 1,039,781,564.38/47,785.80
  6. Step 6: Final answer
    x = 21,759.22

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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.