Home / 40,346.40-55,663.68-25,257.90

Finding the Fourth Proportional to 40,346.40, 55,663.68 and 25,257.90

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Solution

The fourth proportional to 40,346.40, 55,663.68 and 25,257.90 is: 34,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.40 : 55,663.68 = 25,257.90 : x
  2. Step 2: Convert to fraction form
    40,346.40/55,663.68 = 25,257.90/x
  3. Step 3: Cross multiply
    40,346.40x = 55,663.68 × 25,257.90
  4. Step 4: Simplify right side
    40,346.40x = 1,405,947,663.07
  5. Step 5: Solve for x
    x = 1,405,947,663.07/40,346.40
  6. Step 6: Final answer
    x = 34,846.92

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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.