Home / 40,320.17-55,643.72-22,415.45

Finding the Fourth Proportional to 40,320.17, 55,643.72 and 22,415.45

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Solution

The fourth proportional to 40,320.17, 55,643.72 and 22,415.45 is: 30,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.17 : 55,643.72 = 22,415.45 : x
  2. Step 2: Convert to fraction form
    40,320.17/55,643.72 = 22,415.45/x
  3. Step 3: Cross multiply
    40,320.17x = 55,643.72 × 22,415.45
  4. Step 4: Simplify right side
    40,320.17x = 1,247,279,023.47
  5. Step 5: Solve for x
    x = 1,247,279,023.47/40,320.17
  6. Step 6: Final answer
    x = 30,934.37

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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.