Home / 38,509.20-57,763.80-37,853.10

Finding the Fourth Proportional to 38,509.20, 57,763.80 and 37,853.10

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Solution

The fourth proportional to 38,509.20, 57,763.80 and 37,853.10 is: 56,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,509.20 : 57,763.80 = 37,853.10 : x
  2. Step 2: Convert to fraction form
    38,509.20/57,763.80 = 37,853.10/x
  3. Step 3: Cross multiply
    38,509.20x = 57,763.80 × 37,853.10
  4. Step 4: Simplify right side
    38,509.20x = 2,186,538,897.78
  5. Step 5: Solve for x
    x = 2,186,538,897.78/38,509.20
  6. Step 6: Final answer
    x = 56,779.65

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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.