Home / 61,507.12-84,895.66-40,050.42

Finding the Fourth Proportional to 61,507.12, 84,895.66 and 40,050.42

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Solution

The fourth proportional to 61,507.12, 84,895.66 and 40,050.42 is: 55,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,507.12 : 84,895.66 = 40,050.42 : x
  2. Step 2: Convert to fraction form
    61,507.12/84,895.66 = 40,050.42/x
  3. Step 3: Cross multiply
    61,507.12x = 84,895.66 × 40,050.42
  4. Step 4: Simplify right side
    61,507.12x = 3,400,107,051.42
  5. Step 5: Solve for x
    x = 3,400,107,051.42/61,507.12
  6. Step 6: Final answer
    x = 55,279.89

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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.