Home / 31,541.12-47,258.13-19,034.87

Finding the Fourth Proportional to 31,541.12, 47,258.13 and 19,034.87

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Solution

The fourth proportional to 31,541.12, 47,258.13 and 19,034.87 is: 28,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.12 : 47,258.13 = 19,034.87 : x
  2. Step 2: Convert to fraction form
    31,541.12/47,258.13 = 19,034.87/x
  3. Step 3: Cross multiply
    31,541.12x = 47,258.13 × 19,034.87
  4. Step 4: Simplify right side
    31,541.12x = 899,552,360.99
  5. Step 5: Solve for x
    x = 899,552,360.99/31,541.12
  6. Step 6: Final answer
    x = 28,519.99

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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.