Home / 63,178.11-87,148.04-38,022.75

Finding the Fourth Proportional to 63,178.11, 87,148.04 and 38,022.75

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Solution

The fourth proportional to 63,178.11, 87,148.04 and 38,022.75 is: 52,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,178.11 : 87,148.04 = 38,022.75 : x
  2. Step 2: Convert to fraction form
    63,178.11/87,148.04 = 38,022.75/x
  3. Step 3: Cross multiply
    63,178.11x = 87,148.04 × 38,022.75
  4. Step 4: Simplify right side
    63,178.11x = 3,313,607,947.80
  5. Step 5: Solve for x
    x = 3,313,607,947.80/63,178.11
  6. Step 6: Final answer
    x = 52,448.67

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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.