Home / 40,853.11-61,248.55-21,119.08

Finding the Fourth Proportional to 40,853.11, 61,248.55 and 21,119.08

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Solution

The fourth proportional to 40,853.11, 61,248.55 and 21,119.08 is: 31,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,853.11 : 61,248.55 = 21,119.08 : x
  2. Step 2: Convert to fraction form
    40,853.11/61,248.55 = 21,119.08/x
  3. Step 3: Cross multiply
    40,853.11x = 61,248.55 × 21,119.08
  4. Step 4: Simplify right side
    40,853.11x = 1,293,513,027.33
  5. Step 5: Solve for x
    x = 1,293,513,027.33/40,853.11
  6. Step 6: Final answer
    x = 31,662.54

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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.