Home / 38,150.06-52,647.14-21,154.49

Finding the Fourth Proportional to 38,150.06, 52,647.14 and 21,154.49

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Solution

The fourth proportional to 38,150.06, 52,647.14 and 21,154.49 is: 29,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.06 : 52,647.14 = 21,154.49 : x
  2. Step 2: Convert to fraction form
    38,150.06/52,647.14 = 21,154.49/x
  3. Step 3: Cross multiply
    38,150.06x = 52,647.14 × 21,154.49
  4. Step 4: Simplify right side
    38,150.06x = 1,113,723,027.65
  5. Step 5: Solve for x
    x = 1,113,723,027.65/38,150.06
  6. Step 6: Final answer
    x = 29,193.22

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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.