Home / 40,945.68-61,417.82-18,443.84

Finding the Fourth Proportional to 40,945.68, 61,417.82 and 18,443.84

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Solution

The fourth proportional to 40,945.68, 61,417.82 and 18,443.84 is: 27,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,945.68 : 61,417.82 = 18,443.84 : x
  2. Step 2: Convert to fraction form
    40,945.68/61,417.82 = 18,443.84/x
  3. Step 3: Cross multiply
    40,945.68x = 61,417.82 × 18,443.84
  4. Step 4: Simplify right side
    40,945.68x = 1,132,780,445.23
  5. Step 5: Solve for x
    x = 1,132,780,445.23/40,945.68
  6. Step 6: Final answer
    x = 27,665.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.