Home / 39,781.22-59,667.38-10,199.75

Finding the Fourth Proportional to 39,781.22, 59,667.38 and 10,199.75

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Solution

The fourth proportional to 39,781.22, 59,667.38 and 10,199.75 is: 15,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.22 : 59,667.38 = 10,199.75 : x
  2. Step 2: Convert to fraction form
    39,781.22/59,667.38 = 10,199.75/x
  3. Step 3: Cross multiply
    39,781.22x = 59,667.38 × 10,199.75
  4. Step 4: Simplify right side
    39,781.22x = 608,592,359.16
  5. Step 5: Solve for x
    x = 608,592,359.16/39,781.22
  6. Step 6: Final answer
    x = 15,298.48

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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.