Home / 38,338.75-52,899.51-22,420.12

Finding the Fourth Proportional to 38,338.75, 52,899.51 and 22,420.12

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Solution

The fourth proportional to 38,338.75, 52,899.51 and 22,420.12 is: 30,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.75 : 52,899.51 = 22,420.12 : x
  2. Step 2: Convert to fraction form
    38,338.75/52,899.51 = 22,420.12/x
  3. Step 3: Cross multiply
    38,338.75x = 52,899.51 × 22,420.12
  4. Step 4: Simplify right side
    38,338.75x = 1,186,013,362.14
  5. Step 5: Solve for x
    x = 1,186,013,362.14/38,338.75
  6. Step 6: Final answer
    x = 30,935.11

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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.