Home / 61,551.83-84,885.14-40,342.79

Finding the Fourth Proportional to 61,551.83, 84,885.14 and 40,342.79

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Solution

The fourth proportional to 61,551.83, 84,885.14 and 40,342.79 is: 55,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.83 : 84,885.14 = 40,342.79 : x
  2. Step 2: Convert to fraction form
    61,551.83/84,885.14 = 40,342.79/x
  3. Step 3: Cross multiply
    61,551.83x = 84,885.14 × 40,342.79
  4. Step 4: Simplify right side
    61,551.83x = 3,424,502,751.00
  5. Step 5: Solve for x
    x = 3,424,502,751.00/61,551.83
  6. Step 6: Final answer
    x = 55,636.09

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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.