Home / 63,286.32-87,315.39-42,069.18

Finding the Fourth Proportional to 63,286.32, 87,315.39 and 42,069.18

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Solution

The fourth proportional to 63,286.32, 87,315.39 and 42,069.18 is: 58,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,286.32 : 87,315.39 = 42,069.18 : x
  2. Step 2: Convert to fraction form
    63,286.32/87,315.39 = 42,069.18/x
  3. Step 3: Cross multiply
    63,286.32x = 87,315.39 × 42,069.18
  4. Step 4: Simplify right side
    63,286.32x = 3,673,286,858.68
  5. Step 5: Solve for x
    x = 3,673,286,858.68/63,286.32
  6. Step 6: Final answer
    x = 58,042.35

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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.