Home / 38,568.98-53,230.12-21,574.16

Finding the Fourth Proportional to 38,568.98, 53,230.12 and 21,574.16

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Solution

The fourth proportional to 38,568.98, 53,230.12 and 21,574.16 is: 29,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.98 : 53,230.12 = 21,574.16 : x
  2. Step 2: Convert to fraction form
    38,568.98/53,230.12 = 21,574.16/x
  3. Step 3: Cross multiply
    38,568.98x = 53,230.12 × 21,574.16
  4. Step 4: Simplify right side
    38,568.98x = 1,148,395,150.90
  5. Step 5: Solve for x
    x = 1,148,395,150.90/38,568.98
  6. Step 6: Final answer
    x = 29,775.10

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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.