Home / 68,518.38-94,564.47-40,224.07

Finding the Fourth Proportional to 68,518.38, 94,564.47 and 40,224.07

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Solution

The fourth proportional to 68,518.38, 94,564.47 and 40,224.07 is: 55,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518.38 : 94,564.47 = 40,224.07 : x
  2. Step 2: Convert to fraction form
    68,518.38/94,564.47 = 40,224.07/x
  3. Step 3: Cross multiply
    68,518.38x = 94,564.47 × 40,224.07
  4. Step 4: Simplify right side
    68,518.38x = 3,803,767,860.79
  5. Step 5: Solve for x
    x = 3,803,767,860.79/68,518.38
  6. Step 6: Final answer
    x = 55,514.56

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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.