Home / 45,806.12-68,746.86-19,540.52

Finding the Fourth Proportional to 45,806.12, 68,746.86 and 19,540.52

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Solution

The fourth proportional to 45,806.12, 68,746.86 and 19,540.52 is: 29,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.12 : 68,746.86 = 19,540.52 : x
  2. Step 2: Convert to fraction form
    45,806.12/68,746.86 = 19,540.52/x
  3. Step 3: Cross multiply
    45,806.12x = 68,746.86 × 19,540.52
  4. Step 4: Simplify right side
    45,806.12x = 1,343,349,392.77
  5. Step 5: Solve for x
    x = 1,343,349,392.77/45,806.12
  6. Step 6: Final answer
    x = 29,326.85

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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.