Home / 40,018.51-60,020.06-18,665.33

Finding the Fourth Proportional to 40,018.51, 60,020.06 and 18,665.33

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Solution

The fourth proportional to 40,018.51, 60,020.06 and 18,665.33 is: 27,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.51 : 60,020.06 = 18,665.33 : x
  2. Step 2: Convert to fraction form
    40,018.51/60,020.06 = 18,665.33/x
  3. Step 3: Cross multiply
    40,018.51x = 60,020.06 × 18,665.33
  4. Step 4: Simplify right side
    40,018.51x = 1,120,294,226.52
  5. Step 5: Solve for x
    x = 1,120,294,226.52/40,018.51
  6. Step 6: Final answer
    x = 27,994.40

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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.