Home / 52,517.57-72,485.48-30,999.31

Finding the Fourth Proportional to 52,517.57, 72,485.48 and 30,999.31

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Solution

The fourth proportional to 52,517.57, 72,485.48 and 30,999.31 is: 42,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517.57 : 72,485.48 = 30,999.31 : x
  2. Step 2: Convert to fraction form
    52,517.57/72,485.48 = 30,999.31/x
  3. Step 3: Cross multiply
    52,517.57x = 72,485.48 × 30,999.31
  4. Step 4: Simplify right side
    52,517.57x = 2,246,999,761.30
  5. Step 5: Solve for x
    x = 2,246,999,761.30/52,517.57
  6. Step 6: Final answer
    x = 42,785.68

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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.