Home / 52,304.65-72,180.80-28,431.26

Finding the Fourth Proportional to 52,304.65, 72,180.80 and 28,431.26

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Solution

The fourth proportional to 52,304.65, 72,180.80 and 28,431.26 is: 39,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.65 : 72,180.80 = 28,431.26 : x
  2. Step 2: Convert to fraction form
    52,304.65/72,180.80 = 28,431.26/x
  3. Step 3: Cross multiply
    52,304.65x = 72,180.80 × 28,431.26
  4. Step 4: Simplify right side
    52,304.65x = 2,052,190,801.98
  5. Step 5: Solve for x
    x = 2,052,190,801.98/52,304.65
  6. Step 6: Final answer
    x = 39,235.34

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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.