Home / 34,378.20-47,445.28-19,270.89

Finding the Fourth Proportional to 34,378.20, 47,445.28 and 19,270.89

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Solution

The fourth proportional to 34,378.20, 47,445.28 and 19,270.89 is: 26,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.20 : 47,445.28 = 19,270.89 : x
  2. Step 2: Convert to fraction form
    34,378.20/47,445.28 = 19,270.89/x
  3. Step 3: Cross multiply
    34,378.20x = 47,445.28 × 19,270.89
  4. Step 4: Simplify right side
    34,378.20x = 914,312,723.72
  5. Step 5: Solve for x
    x = 914,312,723.72/34,378.20
  6. Step 6: Final answer
    x = 26,595.71

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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.