Home / 45,423.52-62,677.46-28,419.56

Finding the Fourth Proportional to 45,423.52, 62,677.46 and 28,419.56

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Solution

The fourth proportional to 45,423.52, 62,677.46 and 28,419.56 is: 39,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.52 : 62,677.46 = 28,419.56 : x
  2. Step 2: Convert to fraction form
    45,423.52/62,677.46 = 28,419.56/x
  3. Step 3: Cross multiply
    45,423.52x = 62,677.46 × 28,419.56
  4. Step 4: Simplify right side
    45,423.52x = 1,781,265,835.12
  5. Step 5: Solve for x
    x = 1,781,265,835.12/45,423.52
  6. Step 6: Final answer
    x = 39,214.61

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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.