Home / 49,705.60-74,549.14-15,972.20

Finding the Fourth Proportional to 49,705.60, 74,549.14 and 15,972.20

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Solution

The fourth proportional to 49,705.60, 74,549.14 and 15,972.20 is: 23,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,705.60 : 74,549.14 = 15,972.20 : x
  2. Step 2: Convert to fraction form
    49,705.60/74,549.14 = 15,972.20/x
  3. Step 3: Cross multiply
    49,705.60x = 74,549.14 × 15,972.20
  4. Step 4: Simplify right side
    49,705.60x = 1,190,713,873.76
  5. Step 5: Solve for x
    x = 1,190,713,873.76/49,705.60
  6. Step 6: Final answer
    x = 23,955.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.