Home / 31,654.45-47,464.14-12,947.62

Finding the Fourth Proportional to 31,654.45, 47,464.14 and 12,947.62

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Solution

The fourth proportional to 31,654.45, 47,464.14 and 12,947.62 is: 19,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.45 : 47,464.14 = 12,947.62 : x
  2. Step 2: Convert to fraction form
    31,654.45/47,464.14 = 12,947.62/x
  3. Step 3: Cross multiply
    31,654.45x = 47,464.14 × 12,947.62
  4. Step 4: Simplify right side
    31,654.45x = 614,547,529.69
  5. Step 5: Solve for x
    x = 614,547,529.69/31,654.45
  6. Step 6: Final answer
    x = 19,414.26

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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.