Home / 56,654.48-84,999-40,895.12

Finding the Fourth Proportional to 56,654.48, 84,999 and 40,895.12

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Solution

The fourth proportional to 56,654.48, 84,999 and 40,895.12 is: 61,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,654.48 : 84,999 = 40,895.12 : x
  2. Step 2: Convert to fraction form
    56,654.48/84,999 = 40,895.12/x
  3. Step 3: Cross multiply
    56,654.48x = 84,999 × 40,895.12
  4. Step 4: Simplify right side
    56,654.48x = 3,476,044,304.88
  5. Step 5: Solve for x
    x = 3,476,044,304.88/56,654.48
  6. Step 6: Final answer
    x = 61,355.15

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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.