Home / 40,157.92-55,416.54-22,254.59

Finding the Fourth Proportional to 40,157.92, 55,416.54 and 22,254.59

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Solution

The fourth proportional to 40,157.92, 55,416.54 and 22,254.59 is: 30,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.92 : 55,416.54 = 22,254.59 : x
  2. Step 2: Convert to fraction form
    40,157.92/55,416.54 = 22,254.59/x
  3. Step 3: Cross multiply
    40,157.92x = 55,416.54 × 22,254.59
  4. Step 4: Simplify right side
    40,157.92x = 1,233,272,265.65
  5. Step 5: Solve for x
    x = 1,233,272,265.65/40,157.92
  6. Step 6: Final answer
    x = 30,710.56

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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.