Home / 34,291.06-47,337.05-20,144.78

Finding the Fourth Proportional to 34,291.06, 47,337.05 and 20,144.78

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Solution

The fourth proportional to 34,291.06, 47,337.05 and 20,144.78 is: 27,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.06 : 47,337.05 = 20,144.78 : x
  2. Step 2: Convert to fraction form
    34,291.06/47,337.05 = 20,144.78/x
  3. Step 3: Cross multiply
    34,291.06x = 47,337.05 × 20,144.78
  4. Step 4: Simplify right side
    34,291.06x = 953,594,458.10
  5. Step 5: Solve for x
    x = 953,594,458.10/34,291.06
  6. Step 6: Final answer
    x = 27,808.84

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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.