Home / 40,315.28-55,634.67-22,409.90

Finding the Fourth Proportional to 40,315.28, 55,634.67 and 22,409.90

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Solution

The fourth proportional to 40,315.28, 55,634.67 and 22,409.90 is: 30,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.28 : 55,634.67 = 22,409.90 : x
  2. Step 2: Convert to fraction form
    40,315.28/55,634.67 = 22,409.90/x
  3. Step 3: Cross multiply
    40,315.28x = 55,634.67 × 22,409.90
  4. Step 4: Simplify right side
    40,315.28x = 1,246,767,113.06
  5. Step 5: Solve for x
    x = 1,246,767,113.06/40,315.28
  6. Step 6: Final answer
    x = 30,925.43

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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.