Home / 40,018.01-60,019.31-18,664.83

Finding the Fourth Proportional to 40,018.01, 60,019.31 and 18,664.83

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Solution

The fourth proportional to 40,018.01, 60,019.31 and 18,664.83 is: 27,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.01 : 60,019.31 = 18,664.83 : x
  2. Step 2: Convert to fraction form
    40,018.01/60,019.31 = 18,664.83/x
  3. Step 3: Cross multiply
    40,018.01x = 60,019.31 × 18,664.83
  4. Step 4: Simplify right side
    40,018.01x = 1,120,250,225.16
  5. Step 5: Solve for x
    x = 1,120,250,225.16/40,018.01
  6. Step 6: Final answer
    x = 27,993.65

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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.