Home / 40,089.60-55,322.80-22,183.52

Finding the Fourth Proportional to 40,089.60, 55,322.80 and 22,183.52

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Solution

The fourth proportional to 40,089.60, 55,322.80 and 22,183.52 is: 30,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.60 : 55,322.80 = 22,183.52 : x
  2. Step 2: Convert to fraction form
    40,089.60/55,322.80 = 22,183.52/x
  3. Step 3: Cross multiply
    40,089.60x = 55,322.80 × 22,183.52
  4. Step 4: Simplify right side
    40,089.60x = 1,227,254,440.26
  5. Step 5: Solve for x
    x = 1,227,254,440.26/40,089.60
  6. Step 6: Final answer
    x = 30,612.79

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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.