Home / 31,710.85-47,571.74-10,652.91

Finding the Fourth Proportional to 31,710.85, 47,571.74 and 10,652.91

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Solution

The fourth proportional to 31,710.85, 47,571.74 and 10,652.91 is: 15,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.85 : 47,571.74 = 10,652.91 : x
  2. Step 2: Convert to fraction form
    31,710.85/47,571.74 = 10,652.91/x
  3. Step 3: Cross multiply
    31,710.85x = 47,571.74 × 10,652.91
  4. Step 4: Simplify right side
    31,710.85x = 506,777,273.05
  5. Step 5: Solve for x
    x = 506,777,273.05/31,710.85
  6. Step 6: Final answer
    x = 15,981.20

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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.