Home / 29,123.68-40,216.08-22,825.12

Finding the Fourth Proportional to 29,123.68, 40,216.08 and 22,825.12

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Solution

The fourth proportional to 29,123.68, 40,216.08 and 22,825.12 is: 31,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.68 : 40,216.08 = 22,825.12 : x
  2. Step 2: Convert to fraction form
    29,123.68/40,216.08 = 22,825.12/x
  3. Step 3: Cross multiply
    29,123.68x = 40,216.08 × 22,825.12
  4. Step 4: Simplify right side
    29,123.68x = 917,936,851.93
  5. Step 5: Solve for x
    x = 917,936,851.93/29,123.68
  6. Step 6: Final answer
    x = 31,518.57

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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.