Home / 40,338.53-55,667.12-22,436.91

Finding the Fourth Proportional to 40,338.53, 55,667.12 and 22,436.91

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Solution

The fourth proportional to 40,338.53, 55,667.12 and 22,436.91 is: 30,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.53 : 55,667.12 = 22,436.91 : x
  2. Step 2: Convert to fraction form
    40,338.53/55,667.12 = 22,436.91/x
  3. Step 3: Cross multiply
    40,338.53x = 55,667.12 × 22,436.91
  4. Step 4: Simplify right side
    40,338.53x = 1,248,998,316.81
  5. Step 5: Solve for x
    x = 1,248,998,316.81/40,338.53
  6. Step 6: Final answer
    x = 30,962.91

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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.