Home / 34,938.48-48,207.60-20,788.56

Finding the Fourth Proportional to 34,938.48, 48,207.60 and 20,788.56

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Solution

The fourth proportional to 34,938.48, 48,207.60 and 20,788.56 is: 28,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938.48 : 48,207.60 = 20,788.56 : x
  2. Step 2: Convert to fraction form
    34,938.48/48,207.60 = 20,788.56/x
  3. Step 3: Cross multiply
    34,938.48x = 48,207.60 × 20,788.56
  4. Step 4: Simplify right side
    34,938.48x = 1,002,166,585.06
  5. Step 5: Solve for x
    x = 1,002,166,585.06/34,938.48
  6. Step 6: Final answer
    x = 28,683.75

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1.5x scale

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.