Home / 34,686.30-47,867.25-19,579.59

Finding the Fourth Proportional to 34,686.30, 47,867.25 and 19,579.59

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Solution

The fourth proportional to 34,686.30, 47,867.25 and 19,579.59 is: 27,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.30 : 47,867.25 = 19,579.59 : x
  2. Step 2: Convert to fraction form
    34,686.30/47,867.25 = 19,579.59/x
  3. Step 3: Cross multiply
    34,686.30x = 47,867.25 × 19,579.59
  4. Step 4: Simplify right side
    34,686.30x = 937,221,129.43
  5. Step 5: Solve for x
    x = 937,221,129.43/34,686.30
  6. Step 6: Final answer
    x = 27,019.92

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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.