Home / 34,178.30-47,164.91-20,030.84

Finding the Fourth Proportional to 34,178.30, 47,164.91 and 20,030.84

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Solution

The fourth proportional to 34,178.30, 47,164.91 and 20,030.84 is: 27,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.30 : 47,164.91 = 20,030.84 : x
  2. Step 2: Convert to fraction form
    34,178.30/47,164.91 = 20,030.84/x
  3. Step 3: Cross multiply
    34,178.30x = 47,164.91 × 20,030.84
  4. Step 4: Simplify right side
    34,178.30x = 944,752,429.85
  5. Step 5: Solve for x
    x = 944,752,429.85/34,178.30
  6. Step 6: Final answer
    x = 27,641.88

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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.