Home / 40,684.62-56,208.96-38,470.08

Finding the Fourth Proportional to 40,684.62, 56,208.96 and 38,470.08

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Solution

The fourth proportional to 40,684.62, 56,208.96 and 38,470.08 is: 53,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.62 : 56,208.96 = 38,470.08 : x
  2. Step 2: Convert to fraction form
    40,684.62/56,208.96 = 38,470.08/x
  3. Step 3: Cross multiply
    40,684.62x = 56,208.96 × 38,470.08
  4. Step 4: Simplify right side
    40,684.62x = 2,162,363,187.92
  5. Step 5: Solve for x
    x = 2,162,363,187.92/40,684.62
  6. Step 6: Final answer
    x = 53,149.40

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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.