Home / 31,898.20-47,849.12-9,712.32

Finding the Fourth Proportional to 31,898.20, 47,849.12 and 9,712.32

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Solution

The fourth proportional to 31,898.20, 47,849.12 and 9,712.32 is: 14,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.20 : 47,849.12 = 9,712.32 : x
  2. Step 2: Convert to fraction form
    31,898.20/47,849.12 = 9,712.32/x
  3. Step 3: Cross multiply
    31,898.20x = 47,849.12 × 9,712.32
  4. Step 4: Simplify right side
    31,898.20x = 464,725,965.16
  5. Step 5: Solve for x
    x = 464,725,965.16/31,898.20
  6. Step 6: Final answer
    x = 14,569.03

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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.