Home / 38,137.65-52,625.61-21,137.59

Finding the Fourth Proportional to 38,137.65, 52,625.61 and 21,137.59

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Solution

The fourth proportional to 38,137.65, 52,625.61 and 21,137.59 is: 29,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.65 : 52,625.61 = 21,137.59 : x
  2. Step 2: Convert to fraction form
    38,137.65/52,625.61 = 21,137.59/x
  3. Step 3: Cross multiply
    38,137.65x = 52,625.61 × 21,137.59
  4. Step 4: Simplify right side
    38,137.65x = 1,112,378,567.68
  5. Step 5: Solve for x
    x = 1,112,378,567.68/38,137.65
  6. Step 6: Final answer
    x = 29,167.46

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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.