Home / 38,557.16-53,213.84-21,562.35

Finding the Fourth Proportional to 38,557.16, 53,213.84 and 21,562.35

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Solution

The fourth proportional to 38,557.16, 53,213.84 and 21,562.35 is: 29,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.16 : 53,213.84 = 21,562.35 : x
  2. Step 2: Convert to fraction form
    38,557.16/53,213.84 = 21,562.35/x
  3. Step 3: Cross multiply
    38,557.16x = 53,213.84 × 21,562.35
  4. Step 4: Simplify right side
    38,557.16x = 1,147,415,335.11
  5. Step 5: Solve for x
    x = 1,147,415,335.11/38,557.16
  6. Step 6: Final answer
    x = 29,758.82

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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.