Home / 34,633.70-47,794.72-18,718.11

Finding the Fourth Proportional to 34,633.70, 47,794.72 and 18,718.11

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Solution

The fourth proportional to 34,633.70, 47,794.72 and 18,718.11 is: 25,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,633.70 : 47,794.72 = 18,718.11 : x
  2. Step 2: Convert to fraction form
    34,633.70/47,794.72 = 18,718.11/x
  3. Step 3: Cross multiply
    34,633.70x = 47,794.72 × 18,718.11
  4. Step 4: Simplify right side
    34,633.70x = 894,626,826.38
  5. Step 5: Solve for x
    x = 894,626,826.38/34,633.70
  6. Step 6: Final answer
    x = 25,831.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.