Home / 40,045.93-55,263.06-22,140.57

Finding the Fourth Proportional to 40,045.93, 55,263.06 and 22,140.57

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Solution

The fourth proportional to 40,045.93, 55,263.06 and 22,140.57 is: 30,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.93 : 55,263.06 = 22,140.57 : x
  2. Step 2: Convert to fraction form
    40,045.93/55,263.06 = 22,140.57/x
  3. Step 3: Cross multiply
    40,045.93x = 55,263.06 × 22,140.57
  4. Step 4: Simplify right side
    40,045.93x = 1,223,555,855.58
  5. Step 5: Solve for x
    x = 1,223,555,855.58/40,045.93
  6. Step 6: Final answer
    x = 30,553.81

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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.