Home / 31,500.59-47,260.61-11,781.14

Finding the Fourth Proportional to 31,500.59, 47,260.61 and 11,781.14

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Solution

The fourth proportional to 31,500.59, 47,260.61 and 11,781.14 is: 17,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.59 : 47,260.61 = 11,781.14 : x
  2. Step 2: Convert to fraction form
    31,500.59/47,260.61 = 11,781.14/x
  3. Step 3: Cross multiply
    31,500.59x = 47,260.61 × 11,781.14
  4. Step 4: Simplify right side
    31,500.59x = 556,783,803.99
  5. Step 5: Solve for x
    x = 556,783,803.99/31,500.59
  6. Step 6: Final answer
    x = 17,675.35

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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.