Home / 52,130.60-71,938.31-28,256.77

Finding the Fourth Proportional to 52,130.60, 71,938.31 and 28,256.77

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Solution

The fourth proportional to 52,130.60, 71,938.31 and 28,256.77 is: 38,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.60 : 71,938.31 = 28,256.77 : x
  2. Step 2: Convert to fraction form
    52,130.60/71,938.31 = 28,256.77/x
  3. Step 3: Cross multiply
    52,130.60x = 71,938.31 × 28,256.77
  4. Step 4: Simplify right side
    52,130.60x = 2,032,743,778.88
  5. Step 5: Solve for x
    x = 2,032,743,778.88/52,130.60
  6. Step 6: Final answer
    x = 38,993.29

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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.