Home / 38,298.24-57,442.80-10,220.40

Finding the Fourth Proportional to 38,298.24, 57,442.80 and 10,220.40

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Solution

The fourth proportional to 38,298.24, 57,442.80 and 10,220.40 is: 15,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.24 : 57,442.80 = 10,220.40 : x
  2. Step 2: Convert to fraction form
    38,298.24/57,442.80 = 10,220.40/x
  3. Step 3: Cross multiply
    38,298.24x = 57,442.80 × 10,220.40
  4. Step 4: Simplify right side
    38,298.24x = 587,088,393.12
  5. Step 5: Solve for x
    x = 587,088,393.12/38,298.24
  6. Step 6: Final answer
    x = 15,329.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.