Home / 61,918.16-85,447.40-35,065.90

Finding the Fourth Proportional to 61,918.16, 85,447.40 and 35,065.90

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Solution

The fourth proportional to 61,918.16, 85,447.40 and 35,065.90 is: 48,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.16 : 85,447.40 = 35,065.90 : x
  2. Step 2: Convert to fraction form
    61,918.16/85,447.40 = 35,065.90/x
  3. Step 3: Cross multiply
    61,918.16x = 85,447.40 × 35,065.90
  4. Step 4: Simplify right side
    61,918.16x = 2,996,289,381.09
  5. Step 5: Solve for x
    x = 2,996,289,381.09/61,918.16
  6. Step 6: Final answer
    x = 48,391.12

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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.