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Finding the Fourth Proportional to 63,391.36, 87,482.81 and 35,097.05

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Solution

The fourth proportional to 63,391.36, 87,482.81 and 35,097.05 is: 48,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,391.36 : 87,482.81 = 35,097.05 : x
  2. Step 2: Convert to fraction form
    63,391.36/87,482.81 = 35,097.05/x
  3. Step 3: Cross multiply
    63,391.36x = 87,482.81 × 35,097.05
  4. Step 4: Simplify right side
    63,391.36x = 3,070,388,272.36
  5. Step 5: Solve for x
    x = 3,070,388,272.36/63,391.36
  6. Step 6: Final answer
    x = 48,435.44

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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.