Home / 52,130.55-71,940.31-28,257.32

Finding the Fourth Proportional to 52,130.55, 71,940.31 and 28,257.32

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Solution

The fourth proportional to 52,130.55, 71,940.31 and 28,257.32 is: 38,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.55 : 71,940.31 = 28,257.32 : x
  2. Step 2: Convert to fraction form
    52,130.55/71,940.31 = 28,257.32/x
  3. Step 3: Cross multiply
    52,130.55x = 71,940.31 × 28,257.32
  4. Step 4: Simplify right side
    52,130.55x = 2,032,840,360.57
  5. Step 5: Solve for x
    x = 2,032,840,360.57/52,130.55
  6. Step 6: Final answer
    x = 38,995.18

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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.