Home / 61,812.90-92,688.30-30,225.42

Finding the Fourth Proportional to 61,812.90, 92,688.30 and 30,225.42

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Solution

The fourth proportional to 61,812.90, 92,688.30 and 30,225.42 is: 45,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.90 : 92,688.30 = 30,225.42 : x
  2. Step 2: Convert to fraction form
    61,812.90/92,688.30 = 30,225.42/x
  3. Step 3: Cross multiply
    61,812.90x = 92,688.30 × 30,225.42
  4. Step 4: Simplify right side
    61,812.90x = 2,801,542,796.59
  5. Step 5: Solve for x
    x = 2,801,542,796.59/61,812.90
  6. Step 6: Final answer
    x = 45,322.95

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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.