Home / 48,535.72-66,934.98-30,610.60

Finding the Fourth Proportional to 48,535.72, 66,934.98 and 30,610.60

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Solution

The fourth proportional to 48,535.72, 66,934.98 and 30,610.60 is: 42,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.72 : 66,934.98 = 30,610.60 : x
  2. Step 2: Convert to fraction form
    48,535.72/66,934.98 = 30,610.60/x
  3. Step 3: Cross multiply
    48,535.72x = 66,934.98 × 30,610.60
  4. Step 4: Simplify right side
    48,535.72x = 2,048,919,898.79
  5. Step 5: Solve for x
    x = 2,048,919,898.79/48,535.72
  6. Step 6: Final answer
    x = 42,214.68

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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.