Home / 40,041.81-55,257.39-22,137.57

Finding the Fourth Proportional to 40,041.81, 55,257.39 and 22,137.57

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Solution

The fourth proportional to 40,041.81, 55,257.39 and 22,137.57 is: 30,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.81 : 55,257.39 = 22,137.57 : x
  2. Step 2: Convert to fraction form
    40,041.81/55,257.39 = 22,137.57/x
  3. Step 3: Cross multiply
    40,041.81x = 55,257.39 × 22,137.57
  4. Step 4: Simplify right side
    40,041.81x = 1,223,264,339.14
  5. Step 5: Solve for x
    x = 1,223,264,339.14/40,041.81
  6. Step 6: Final answer
    x = 30,549.68

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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.