Home / 61,742.07-85,207.38-34,885.71

Finding the Fourth Proportional to 61,742.07, 85,207.38 and 34,885.71

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Solution

The fourth proportional to 61,742.07, 85,207.38 and 34,885.71 is: 48,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.07 : 85,207.38 = 34,885.71 : x
  2. Step 2: Convert to fraction form
    61,742.07/85,207.38 = 34,885.71/x
  3. Step 3: Cross multiply
    61,742.07x = 85,207.38 × 34,885.71
  4. Step 4: Simplify right side
    61,742.07x = 2,972,519,948.54
  5. Step 5: Solve for x
    x = 2,972,519,948.54/61,742.07
  6. Step 6: Final answer
    x = 48,144.16

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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.