Home / 61,026.78-91,534.68-21,581.94

Finding the Fourth Proportional to 61,026.78, 91,534.68 and 21,581.94

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Solution

The fourth proportional to 61,026.78, 91,534.68 and 21,581.94 is: 32,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,026.78 : 91,534.68 = 21,581.94 : x
  2. Step 2: Convert to fraction form
    61,026.78/91,534.68 = 21,581.94/x
  3. Step 3: Cross multiply
    61,026.78x = 91,534.68 × 21,581.94
  4. Step 4: Simplify right side
    61,026.78x = 1,975,495,971.68
  5. Step 5: Solve for x
    x = 1,975,495,971.68/61,026.78
  6. Step 6: Final answer
    x = 32,370.97

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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.