Home / 40,157.79-55,416.29-23,162.75

Finding the Fourth Proportional to 40,157.79, 55,416.29 and 23,162.75

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Solution

The fourth proportional to 40,157.79, 55,416.29 and 23,162.75 is: 31,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.79 : 55,416.29 = 23,162.75 : x
  2. Step 2: Convert to fraction form
    40,157.79/55,416.29 = 23,162.75/x
  3. Step 3: Cross multiply
    40,157.79x = 55,416.29 × 23,162.75
  4. Step 4: Simplify right side
    40,157.79x = 1,283,593,671.20
  5. Step 5: Solve for x
    x = 1,283,593,671.20/40,157.79
  6. Step 6: Final answer
    x = 31,963.75

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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.