Home / 34,600.28-47,751.90-21,180.40

Finding the Fourth Proportional to 34,600.28, 47,751.90 and 21,180.40

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Solution

The fourth proportional to 34,600.28, 47,751.90 and 21,180.40 is: 29,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,600.28 : 47,751.90 = 21,180.40 : x
  2. Step 2: Convert to fraction form
    34,600.28/47,751.90 = 21,180.40/x
  3. Step 3: Cross multiply
    34,600.28x = 47,751.90 × 21,180.40
  4. Step 4: Simplify right side
    34,600.28x = 1,011,404,223.38
  5. Step 5: Solve for x
    x = 1,011,404,223.38/34,600.28
  6. Step 6: Final answer
    x = 29,231.10

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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.