Home / 40,337.40-55,664.64-22,431.72

Finding the Fourth Proportional to 40,337.40, 55,664.64 and 22,431.72

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Solution

The fourth proportional to 40,337.40, 55,664.64 and 22,431.72 is: 30,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.40 : 55,664.64 = 22,431.72 : x
  2. Step 2: Convert to fraction form
    40,337.40/55,664.64 = 22,431.72/x
  3. Step 3: Cross multiply
    40,337.40x = 55,664.64 × 22,431.72
  4. Step 4: Simplify right side
    40,337.40x = 1,248,653,618.38
  5. Step 5: Solve for x
    x = 1,248,653,618.38/40,337.40
  6. Step 6: Final answer
    x = 30,955.23

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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.