Home / 61,471.28-92,148.60-30,270.08

Finding the Fourth Proportional to 61,471.28, 92,148.60 and 30,270.08

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Solution

The fourth proportional to 61,471.28, 92,148.60 and 30,270.08 is: 45,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,471.28 : 92,148.60 = 30,270.08 : x
  2. Step 2: Convert to fraction form
    61,471.28/92,148.60 = 30,270.08/x
  3. Step 3: Cross multiply
    61,471.28x = 92,148.60 × 30,270.08
  4. Step 4: Simplify right side
    61,471.28x = 2,789,345,493.89
  5. Step 5: Solve for x
    x = 2,789,345,493.89/61,471.28
  6. Step 6: Final answer
    x = 45,376.40

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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.