Home / 66,228.84-99,387.03-31,178.52

Finding the Fourth Proportional to 66,228.84, 99,387.03 and 31,178.52

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Solution

The fourth proportional to 66,228.84, 99,387.03 and 31,178.52 is: 46,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.84 : 99,387.03 = 31,178.52 : x
  2. Step 2: Convert to fraction form
    66,228.84/99,387.03 = 31,178.52/x
  3. Step 3: Cross multiply
    66,228.84x = 99,387.03 × 31,178.52
  4. Step 4: Simplify right side
    66,228.84x = 3,098,740,502.60
  5. Step 5: Solve for x
    x = 3,098,740,502.60/66,228.84
  6. Step 6: Final answer
    x = 46,788.39

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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.