Home / 31,370.02-47,061.16-9,183.76

Finding the Fourth Proportional to 31,370.02, 47,061.16 and 9,183.76

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Solution

The fourth proportional to 31,370.02, 47,061.16 and 9,183.76 is: 13,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.02 : 47,061.16 = 9,183.76 : x
  2. Step 2: Convert to fraction form
    31,370.02/47,061.16 = 9,183.76/x
  3. Step 3: Cross multiply
    31,370.02x = 47,061.16 × 9,183.76
  4. Step 4: Simplify right side
    31,370.02x = 432,198,398.76
  5. Step 5: Solve for x
    x = 432,198,398.76/31,370.02
  6. Step 6: Final answer
    x = 13,777.43

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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.