Home / 33,117.33-49,617-28,390.98

Finding the Fourth Proportional to 33,117.33, 49,617 and 28,390.98

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Solution

The fourth proportional to 33,117.33, 49,617 and 28,390.98 is: 42,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.33 : 49,617 = 28,390.98 : x
  2. Step 2: Convert to fraction form
    33,117.33/49,617 = 28,390.98/x
  3. Step 3: Cross multiply
    33,117.33x = 49,617 × 28,390.98
  4. Step 4: Simplify right side
    33,117.33x = 1,408,675,254.66
  5. Step 5: Solve for x
    x = 1,408,675,254.66/33,117.33
  6. Step 6: Final answer
    x = 42,535.89

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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.