Home / 31,820.59-47,736.76-10,474.51

Finding the Fourth Proportional to 31,820.59, 47,736.76 and 10,474.51

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Solution

The fourth proportional to 31,820.59, 47,736.76 and 10,474.51 is: 15,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.59 : 47,736.76 = 10,474.51 : x
  2. Step 2: Convert to fraction form
    31,820.59/47,736.76 = 10,474.51/x
  3. Step 3: Cross multiply
    31,820.59x = 47,736.76 × 10,474.51
  4. Step 4: Simplify right side
    31,820.59x = 500,019,169.99
  5. Step 5: Solve for x
    x = 500,019,169.99/31,820.59
  6. Step 6: Final answer
    x = 15,713.70

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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.