Home / 38,780.19-53,515.25-23,698.09

Finding the Fourth Proportional to 38,780.19, 53,515.25 and 23,698.09

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Solution

The fourth proportional to 38,780.19, 53,515.25 and 23,698.09 is: 32,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.19 : 53,515.25 = 23,698.09 : x
  2. Step 2: Convert to fraction form
    38,780.19/53,515.25 = 23,698.09/x
  3. Step 3: Cross multiply
    38,780.19x = 53,515.25 × 23,698.09
  4. Step 4: Simplify right side
    38,780.19x = 1,268,209,248.14
  5. Step 5: Solve for x
    x = 1,268,209,248.14/38,780.19
  6. Step 6: Final answer
    x = 32,702.50

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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.