Home / 29,235.16-40,362.97-20,279.53

Finding the Fourth Proportional to 29,235.16, 40,362.97 and 20,279.53

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Solution

The fourth proportional to 29,235.16, 40,362.97 and 20,279.53 is: 27,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.16 : 40,362.97 = 20,279.53 : x
  2. Step 2: Convert to fraction form
    29,235.16/40,362.97 = 20,279.53/x
  3. Step 3: Cross multiply
    29,235.16x = 40,362.97 × 20,279.53
  4. Step 4: Simplify right side
    29,235.16x = 818,541,909.40
  5. Step 5: Solve for x
    x = 818,541,909.40/29,235.16
  6. Step 6: Final answer
    x = 27,998.55

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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.