Home / 40,320.21-55,643.19-22,415.97

Finding the Fourth Proportional to 40,320.21, 55,643.19 and 22,415.97

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Solution

The fourth proportional to 40,320.21, 55,643.19 and 22,415.97 is: 30,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.21 : 55,643.19 = 22,415.97 : x
  2. Step 2: Convert to fraction form
    40,320.21/55,643.19 = 22,415.97/x
  3. Step 3: Cross multiply
    40,320.21x = 55,643.19 × 22,415.97
  4. Step 4: Simplify right side
    40,320.21x = 1,247,296,077.74
  5. Step 5: Solve for x
    x = 1,247,296,077.74/40,320.21
  6. Step 6: Final answer
    x = 30,934.76

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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.