Home / 35,188.68-48,560.78-20,083.38

Finding the Fourth Proportional to 35,188.68, 48,560.78 and 20,083.38

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Solution

The fourth proportional to 35,188.68, 48,560.78 and 20,083.38 is: 27,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.68 : 48,560.78 = 20,083.38 : x
  2. Step 2: Convert to fraction form
    35,188.68/48,560.78 = 20,083.38/x
  3. Step 3: Cross multiply
    35,188.68x = 48,560.78 × 20,083.38
  4. Step 4: Simplify right side
    35,188.68x = 975,264,597.84
  5. Step 5: Solve for x
    x = 975,264,597.84/35,188.68
  6. Step 6: Final answer
    x = 27,715.29

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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.