Home / 38,009.40-57,014.10-36,454.20

Finding the Fourth Proportional to 38,009.40, 57,014.10 and 36,454.20

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Solution

The fourth proportional to 38,009.40, 57,014.10 and 36,454.20 is: 54,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.40 : 57,014.10 = 36,454.20 : x
  2. Step 2: Convert to fraction form
    38,009.40/57,014.10 = 36,454.20/x
  3. Step 3: Cross multiply
    38,009.40x = 57,014.10 × 36,454.20
  4. Step 4: Simplify right side
    38,009.40x = 2,078,403,404.22
  5. Step 5: Solve for x
    x = 2,078,403,404.22/38,009.40
  6. Step 6: Final answer
    x = 54,681.30

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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.