Home / 34,560.96-47,695.20-19,657.92

Finding the Fourth Proportional to 34,560.96, 47,695.20 and 19,657.92

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Solution

The fourth proportional to 34,560.96, 47,695.20 and 19,657.92 is: 27,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,560.96 : 47,695.20 = 19,657.92 : x
  2. Step 2: Convert to fraction form
    34,560.96/47,695.20 = 19,657.92/x
  3. Step 3: Cross multiply
    34,560.96x = 47,695.20 × 19,657.92
  4. Step 4: Simplify right side
    34,560.96x = 937,588,425.98
  5. Step 5: Solve for x
    x = 937,588,425.98/34,560.96
  6. Step 6: Final answer
    x = 27,128.54

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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.