Home / 38,158.23-52,656.51-21,163.15

Finding the Fourth Proportional to 38,158.23, 52,656.51 and 21,163.15

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Solution

The fourth proportional to 38,158.23, 52,656.51 and 21,163.15 is: 29,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.23 : 52,656.51 = 21,163.15 : x
  2. Step 2: Convert to fraction form
    38,158.23/52,656.51 = 21,163.15/x
  3. Step 3: Cross multiply
    38,158.23x = 52,656.51 × 21,163.15
  4. Step 4: Simplify right side
    38,158.23x = 1,114,377,619.61
  5. Step 5: Solve for x
    x = 1,114,377,619.61/38,158.23
  6. Step 6: Final answer
    x = 29,204.12

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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.