Home / 53,960.08-80,976.06-18,899.68

Finding the Fourth Proportional to 53,960.08, 80,976.06 and 18,899.68

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Solution

The fourth proportional to 53,960.08, 80,976.06 and 18,899.68 is: 28,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.08 : 80,976.06 = 18,899.68 : x
  2. Step 2: Convert to fraction form
    53,960.08/80,976.06 = 18,899.68/x
  3. Step 3: Cross multiply
    53,960.08x = 80,976.06 × 18,899.68
  4. Step 4: Simplify right side
    53,960.08x = 1,530,421,621.66
  5. Step 5: Solve for x
    x = 1,530,421,621.66/53,960.08
  6. Step 6: Final answer
    x = 28,362.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.