Home / 48,412.04-72,621.68-13,351.40

Finding the Fourth Proportional to 48,412.04, 72,621.68 and 13,351.40

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Solution

The fourth proportional to 48,412.04, 72,621.68 and 13,351.40 is: 20,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,412.04 : 72,621.68 = 13,351.40 : x
  2. Step 2: Convert to fraction form
    48,412.04/72,621.68 = 13,351.40/x
  3. Step 3: Cross multiply
    48,412.04x = 72,621.68 × 13,351.40
  4. Step 4: Simplify right side
    48,412.04x = 969,601,098.35
  5. Step 5: Solve for x
    x = 969,601,098.35/48,412.04
  6. Step 6: Final answer
    x = 20,028.10

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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.