Home / 53,853.57-74,342.21-38,552.13

Finding the Fourth Proportional to 53,853.57, 74,342.21 and 38,552.13

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Solution

The fourth proportional to 53,853.57, 74,342.21 and 38,552.13 is: 53,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.57 : 74,342.21 = 38,552.13 : x
  2. Step 2: Convert to fraction form
    53,853.57/74,342.21 = 38,552.13/x
  3. Step 3: Cross multiply
    53,853.57x = 74,342.21 × 38,552.13
  4. Step 4: Simplify right side
    53,853.57x = 2,866,050,351.65
  5. Step 5: Solve for x
    x = 2,866,050,351.65/53,853.57
  6. Step 6: Final answer
    x = 53,219.32

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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.