Home / 47,397.82-71,111.40-28,443.62

Finding the Fourth Proportional to 47,397.82, 71,111.40 and 28,443.62

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Solution

The fourth proportional to 47,397.82, 71,111.40 and 28,443.62 is: 42,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,397.82 : 71,111.40 = 28,443.62 : x
  2. Step 2: Convert to fraction form
    47,397.82/71,111.40 = 28,443.62/x
  3. Step 3: Cross multiply
    47,397.82x = 71,111.40 × 28,443.62
  4. Step 4: Simplify right side
    47,397.82x = 2,022,665,639.27
  5. Step 5: Solve for x
    x = 2,022,665,639.27/47,397.82
  6. Step 6: Final answer
    x = 42,674.24

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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.