Home / 45,236.49-62,385.50-28,242.31

Finding the Fourth Proportional to 45,236.49, 62,385.50 and 28,242.31

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Solution

The fourth proportional to 45,236.49, 62,385.50 and 28,242.31 is: 38,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.49 : 62,385.50 = 28,242.31 : x
  2. Step 2: Convert to fraction form
    45,236.49/62,385.50 = 28,242.31/x
  3. Step 3: Cross multiply
    45,236.49x = 62,385.50 × 28,242.31
  4. Step 4: Simplify right side
    45,236.49x = 1,761,910,630.51
  5. Step 5: Solve for x
    x = 1,761,910,630.51/45,236.49
  6. Step 6: Final answer
    x = 38,948.88

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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.