Home / 68,219.47-94,145.79-38,004.74

Finding the Fourth Proportional to 68,219.47, 94,145.79 and 38,004.74

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Solution

The fourth proportional to 68,219.47, 94,145.79 and 38,004.74 is: 52,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.47 : 94,145.79 = 38,004.74 : x
  2. Step 2: Convert to fraction form
    68,219.47/94,145.79 = 38,004.74/x
  3. Step 3: Cross multiply
    68,219.47x = 94,145.79 × 38,004.74
  4. Step 4: Simplify right side
    68,219.47x = 3,577,986,825.45
  5. Step 5: Solve for x
    x = 3,577,986,825.45/68,219.47
  6. Step 6: Final answer
    x = 52,448.18

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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.