Home / 38,393.04-52,981.92-21,626.08

Finding the Fourth Proportional to 38,393.04, 52,981.92 and 21,626.08

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Solution

The fourth proportional to 38,393.04, 52,981.92 and 21,626.08 is: 29,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.04 : 52,981.92 = 21,626.08 : x
  2. Step 2: Convert to fraction form
    38,393.04/52,981.92 = 21,626.08/x
  3. Step 3: Cross multiply
    38,393.04x = 52,981.92 × 21,626.08
  4. Step 4: Simplify right side
    38,393.04x = 1,145,791,240.47
  5. Step 5: Solve for x
    x = 1,145,791,240.47/38,393.04
  6. Step 6: Final answer
    x = 29,843.72

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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.