Home / 61,217.30-91,845.79-30,030.68

Finding the Fourth Proportional to 61,217.30, 91,845.79 and 30,030.68

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Solution

The fourth proportional to 61,217.30, 91,845.79 and 30,030.68 is: 45,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,217.30 : 91,845.79 = 30,030.68 : x
  2. Step 2: Convert to fraction form
    61,217.30/91,845.79 = 30,030.68/x
  3. Step 3: Cross multiply
    61,217.30x = 91,845.79 × 30,030.68
  4. Step 4: Simplify right side
    61,217.30x = 2,758,191,069.61
  5. Step 5: Solve for x
    x = 2,758,191,069.61/61,217.30
  6. Step 6: Final answer
    x = 45,055.75

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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.