Home / 61,442.07-84,803.88-40,209.03

Finding the Fourth Proportional to 61,442.07, 84,803.88 and 40,209.03

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Solution

The fourth proportional to 61,442.07, 84,803.88 and 40,209.03 is: 55,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,442.07 : 84,803.88 = 40,209.03 : x
  2. Step 2: Convert to fraction form
    61,442.07/84,803.88 = 40,209.03/x
  3. Step 3: Cross multiply
    61,442.07x = 84,803.88 × 40,209.03
  4. Step 4: Simplify right side
    61,442.07x = 3,409,881,755.04
  5. Step 5: Solve for x
    x = 3,409,881,755.04/61,442.07
  6. Step 6: Final answer
    x = 55,497.51

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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.