Home / 31,372.55-47,058.88-13,356.13

Finding the Fourth Proportional to 31,372.55, 47,058.88 and 13,356.13

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Solution

The fourth proportional to 31,372.55, 47,058.88 and 13,356.13 is: 20,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.55 : 47,058.88 = 13,356.13 : x
  2. Step 2: Convert to fraction form
    31,372.55/47,058.88 = 13,356.13/x
  3. Step 3: Cross multiply
    31,372.55x = 47,058.88 × 13,356.13
  4. Step 4: Simplify right side
    31,372.55x = 628,524,518.93
  5. Step 5: Solve for x
    x = 628,524,518.93/31,372.55
  6. Step 6: Final answer
    x = 20,034.22

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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.