Home / 68,219.68-94,142.80-38,005.36

Finding the Fourth Proportional to 68,219.68, 94,142.80 and 38,005.36

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Solution

The fourth proportional to 68,219.68, 94,142.80 and 38,005.36 is: 52,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.68 : 94,142.80 = 38,005.36 : x
  2. Step 2: Convert to fraction form
    68,219.68/94,142.80 = 38,005.36/x
  3. Step 3: Cross multiply
    68,219.68x = 94,142.80 × 38,005.36
  4. Step 4: Simplify right side
    68,219.68x = 3,577,931,005.41
  5. Step 5: Solve for x
    x = 3,577,931,005.41/68,219.68
  6. Step 6: Final answer
    x = 52,447.20

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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.