Home / 34,593.76-47,740.56-20,458.72

Finding the Fourth Proportional to 34,593.76, 47,740.56 and 20,458.72

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Solution

The fourth proportional to 34,593.76, 47,740.56 and 20,458.72 is: 28,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,593.76 : 47,740.56 = 20,458.72 : x
  2. Step 2: Convert to fraction form
    34,593.76/47,740.56 = 20,458.72/x
  3. Step 3: Cross multiply
    34,593.76x = 47,740.56 × 20,458.72
  4. Step 4: Simplify right side
    34,593.76x = 976,710,749.68
  5. Step 5: Solve for x
    x = 976,710,749.68/34,593.76
  6. Step 6: Final answer
    x = 28,233.73

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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.