Home / 38,240.07-52,779.72-21,250.14

Finding the Fourth Proportional to 38,240.07, 52,779.72 and 21,250.14

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Solution

The fourth proportional to 38,240.07, 52,779.72 and 21,250.14 is: 29,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.07 : 52,779.72 = 21,250.14 : x
  2. Step 2: Convert to fraction form
    38,240.07/52,779.72 = 21,250.14/x
  3. Step 3: Cross multiply
    38,240.07x = 52,779.72 × 21,250.14
  4. Step 4: Simplify right side
    38,240.07x = 1,121,576,439.16
  5. Step 5: Solve for x
    x = 1,121,576,439.16/38,240.07
  6. Step 6: Final answer
    x = 29,329.87

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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.