Home / 38,621.16-53,292.66-21,626.36

Finding the Fourth Proportional to 38,621.16, 53,292.66 and 21,626.36

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Solution

The fourth proportional to 38,621.16, 53,292.66 and 21,626.36 is: 29,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.16 : 53,292.66 = 21,626.36 : x
  2. Step 2: Convert to fraction form
    38,621.16/53,292.66 = 21,626.36/x
  3. Step 3: Cross multiply
    38,621.16x = 53,292.66 × 21,626.36
  4. Step 4: Simplify right side
    38,621.16x = 1,152,526,250.52
  5. Step 5: Solve for x
    x = 1,152,526,250.52/38,621.16
  6. Step 6: Final answer
    x = 29,841.83

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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.