Home / 38,603.52-57,886.77-18,858.96

Finding the Fourth Proportional to 38,603.52, 57,886.77 and 18,858.96

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Solution

The fourth proportional to 38,603.52, 57,886.77 and 18,858.96 is: 28,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.52 : 57,886.77 = 18,858.96 : x
  2. Step 2: Convert to fraction form
    38,603.52/57,886.77 = 18,858.96/x
  3. Step 3: Cross multiply
    38,603.52x = 57,886.77 × 18,858.96
  4. Step 4: Simplify right side
    38,603.52x = 1,091,684,279.96
  5. Step 5: Solve for x
    x = 1,091,684,279.96/38,603.52
  6. Step 6: Final answer
    x = 28,279.40

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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.