Home / 40,320.15-55,643.66-22,416.99

Finding the Fourth Proportional to 40,320.15, 55,643.66 and 22,416.99

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Solution

The fourth proportional to 40,320.15, 55,643.66 and 22,416.99 is: 30,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.15 : 55,643.66 = 22,416.99 : x
  2. Step 2: Convert to fraction form
    40,320.15/55,643.66 = 22,416.99/x
  3. Step 3: Cross multiply
    40,320.15x = 55,643.66 × 22,416.99
  4. Step 4: Simplify right side
    40,320.15x = 1,247,363,369.78
  5. Step 5: Solve for x
    x = 1,247,363,369.78/40,320.15
  6. Step 6: Final answer
    x = 30,936.48

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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.