Home / 31,886.24-47,819.21-11,620.47

Finding the Fourth Proportional to 31,886.24, 47,819.21 and 11,620.47

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Solution

The fourth proportional to 31,886.24, 47,819.21 and 11,620.47 is: 17,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886.24 : 47,819.21 = 11,620.47 : x
  2. Step 2: Convert to fraction form
    31,886.24/47,819.21 = 11,620.47/x
  3. Step 3: Cross multiply
    31,886.24x = 47,819.21 × 11,620.47
  4. Step 4: Simplify right side
    31,886.24x = 555,681,637.13
  5. Step 5: Solve for x
    x = 555,681,637.13/31,886.24
  6. Step 6: Final answer
    x = 17,427.01

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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.