Home / 40,320.72-55,642.95-22,416.08

Finding the Fourth Proportional to 40,320.72, 55,642.95 and 22,416.08

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Solution

The fourth proportional to 40,320.72, 55,642.95 and 22,416.08 is: 30,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.72 : 55,642.95 = 22,416.08 : x
  2. Step 2: Convert to fraction form
    40,320.72/55,642.95 = 22,416.08/x
  3. Step 3: Cross multiply
    40,320.72x = 55,642.95 × 22,416.08
  4. Step 4: Simplify right side
    40,320.72x = 1,247,296,540.42
  5. Step 5: Solve for x
    x = 1,247,296,540.42/40,320.72
  6. Step 6: Final answer
    x = 30,934.38

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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.