Home / 40,319.85-55,642.82-22,171.95

Finding the Fourth Proportional to 40,319.85, 55,642.82 and 22,171.95

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Solution

The fourth proportional to 40,319.85, 55,642.82 and 22,171.95 is: 30,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.85 : 55,642.82 = 22,171.95 : x
  2. Step 2: Convert to fraction form
    40,319.85/55,642.82 = 22,171.95/x
  3. Step 3: Cross multiply
    40,319.85x = 55,642.82 × 22,171.95
  4. Step 4: Simplify right side
    40,319.85x = 1,233,709,712.04
  5. Step 5: Solve for x
    x = 1,233,709,712.04/40,319.85
  6. Step 6: Final answer
    x = 30,598.07

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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.