Home / 61,895.18-85,457.88-41,780.24

Finding the Fourth Proportional to 61,895.18, 85,457.88 and 41,780.24

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Solution

The fourth proportional to 61,895.18, 85,457.88 and 41,780.24 is: 57,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,895.18 : 85,457.88 = 41,780.24 : x
  2. Step 2: Convert to fraction form
    61,895.18/85,457.88 = 41,780.24/x
  3. Step 3: Cross multiply
    61,895.18x = 85,457.88 × 41,780.24
  4. Step 4: Simplify right side
    61,895.18x = 3,570,450,960.62
  5. Step 5: Solve for x
    x = 3,570,450,960.62/61,895.18
  6. Step 6: Final answer
    x = 57,685.45

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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.