Home / 63,338.12-87,417.32-36,475.68

Finding the Fourth Proportional to 63,338.12, 87,417.32 and 36,475.68

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Solution

The fourth proportional to 63,338.12, 87,417.32 and 36,475.68 is: 50,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,338.12 : 87,417.32 = 36,475.68 : x
  2. Step 2: Convert to fraction form
    63,338.12/87,417.32 = 36,475.68/x
  3. Step 3: Cross multiply
    63,338.12x = 87,417.32 × 36,475.68
  4. Step 4: Simplify right side
    63,338.12x = 3,188,606,008.40
  5. Step 5: Solve for x
    x = 3,188,606,008.40/63,338.12
  6. Step 6: Final answer
    x = 50,342.61

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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.