Home / 38,724.72-53,482.24-31,196.08

Finding the Fourth Proportional to 38,724.72, 53,482.24 and 31,196.08

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Solution

The fourth proportional to 38,724.72, 53,482.24 and 31,196.08 is: 43,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.72 : 53,482.24 = 31,196.08 : x
  2. Step 2: Convert to fraction form
    38,724.72/53,482.24 = 31,196.08/x
  3. Step 3: Cross multiply
    38,724.72x = 53,482.24 × 31,196.08
  4. Step 4: Simplify right side
    38,724.72x = 1,668,436,237.62
  5. Step 5: Solve for x
    x = 1,668,436,237.62/38,724.72
  6. Step 6: Final answer
    x = 43,084.53

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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.