Home / 38,201.69-52,715.83-21,205.10

Finding the Fourth Proportional to 38,201.69, 52,715.83 and 21,205.10

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Solution

The fourth proportional to 38,201.69, 52,715.83 and 21,205.10 is: 29,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.69 : 52,715.83 = 21,205.10 : x
  2. Step 2: Convert to fraction form
    38,201.69/52,715.83 = 21,205.10/x
  3. Step 3: Cross multiply
    38,201.69x = 52,715.83 × 21,205.10
  4. Step 4: Simplify right side
    38,201.69x = 1,117,844,340.71
  5. Step 5: Solve for x
    x = 1,117,844,340.71/38,201.69
  6. Step 6: Final answer
    x = 29,261.65

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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.