Home / 68,288.40-94,232.08-38,071.36

Finding the Fourth Proportional to 68,288.40, 94,232.08 and 38,071.36

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Solution

The fourth proportional to 68,288.40, 94,232.08 and 38,071.36 is: 52,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.40 : 94,232.08 = 38,071.36 : x
  2. Step 2: Convert to fraction form
    68,288.40/94,232.08 = 38,071.36/x
  3. Step 3: Cross multiply
    68,288.40x = 94,232.08 × 38,071.36
  4. Step 4: Simplify right side
    68,288.40x = 3,587,543,441.23
  5. Step 5: Solve for x
    x = 3,587,543,441.23/68,288.40
  6. Step 6: Final answer
    x = 52,535.18

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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.