Home / 38,870.80-53,613.24-25,420.48

Finding the Fourth Proportional to 38,870.80, 53,613.24 and 25,420.48

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Solution

The fourth proportional to 38,870.80, 53,613.24 and 25,420.48 is: 35,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.80 : 53,613.24 = 25,420.48 : x
  2. Step 2: Convert to fraction form
    38,870.80/53,613.24 = 25,420.48/x
  3. Step 3: Cross multiply
    38,870.80x = 53,613.24 × 25,420.48
  4. Step 4: Simplify right side
    38,870.80x = 1,362,874,295.16
  5. Step 5: Solve for x
    x = 1,362,874,295.16/38,870.80
  6. Step 6: Final answer
    x = 35,061.65

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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.