Home / 31,471.39-47,192.50-11,735.74

Finding the Fourth Proportional to 31,471.39, 47,192.50 and 11,735.74

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Solution

The fourth proportional to 31,471.39, 47,192.50 and 11,735.74 is: 17,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.39 : 47,192.50 = 11,735.74 : x
  2. Step 2: Convert to fraction form
    31,471.39/47,192.50 = 11,735.74/x
  3. Step 3: Cross multiply
    31,471.39x = 47,192.50 × 11,735.74
  4. Step 4: Simplify right side
    31,471.39x = 553,838,909.95
  5. Step 5: Solve for x
    x = 553,838,909.95/31,471.39
  6. Step 6: Final answer
    x = 17,598.17

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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.