Home / 61,581.64-84,983.60-36,081.90

Finding the Fourth Proportional to 61,581.64, 84,983.60 and 36,081.90

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Solution

The fourth proportional to 61,581.64, 84,983.60 and 36,081.90 is: 49,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.64 : 84,983.60 = 36,081.90 : x
  2. Step 2: Convert to fraction form
    61,581.64/84,983.60 = 36,081.90/x
  3. Step 3: Cross multiply
    61,581.64x = 84,983.60 × 36,081.90
  4. Step 4: Simplify right side
    61,581.64x = 3,066,369,756.84
  5. Step 5: Solve for x
    x = 3,066,369,756.84/61,581.64
  6. Step 6: Final answer
    x = 49,793.57

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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.