Home / 35,148.66-48,505.98-20,042.76

Finding the Fourth Proportional to 35,148.66, 48,505.98 and 20,042.76

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Solution

The fourth proportional to 35,148.66, 48,505.98 and 20,042.76 is: 27,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.66 : 48,505.98 = 20,042.76 : x
  2. Step 2: Convert to fraction form
    35,148.66/48,505.98 = 20,042.76/x
  3. Step 3: Cross multiply
    35,148.66x = 48,505.98 × 20,042.76
  4. Step 4: Simplify right side
    35,148.66x = 972,193,715.70
  5. Step 5: Solve for x
    x = 972,193,715.70/35,148.66
  6. Step 6: Final answer
    x = 27,659.48

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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.