Home / 61,581.13-84,982.91-36,081.40

Finding the Fourth Proportional to 61,581.13, 84,982.91 and 36,081.40

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Solution

The fourth proportional to 61,581.13, 84,982.91 and 36,081.40 is: 49,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.13 : 84,982.91 = 36,081.40 : x
  2. Step 2: Convert to fraction form
    61,581.13/84,982.91 = 36,081.40/x
  3. Step 3: Cross multiply
    61,581.13x = 84,982.91 × 36,081.40
  4. Step 4: Simplify right side
    61,581.13x = 3,066,302,368.87
  5. Step 5: Solve for x
    x = 3,066,302,368.87/61,581.13
  6. Step 6: Final answer
    x = 49,792.89

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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.