Home / 45,005.80-62,109.54-28,248.04

Finding the Fourth Proportional to 45,005.80, 62,109.54 and 28,248.04

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Solution

The fourth proportional to 45,005.80, 62,109.54 and 28,248.04 is: 38,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.80 : 62,109.54 = 28,248.04 : x
  2. Step 2: Convert to fraction form
    45,005.80/62,109.54 = 28,248.04/x
  3. Step 3: Cross multiply
    45,005.80x = 62,109.54 × 28,248.04
  4. Step 4: Simplify right side
    45,005.80x = 1,754,472,770.30
  5. Step 5: Solve for x
    x = 1,754,472,770.30/45,005.80
  6. Step 6: Final answer
    x = 38,983.26

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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.