Home / 68,490.24-94,509.12-38,269.44

Finding the Fourth Proportional to 68,490.24, 94,509.12 and 38,269.44

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Solution

The fourth proportional to 68,490.24, 94,509.12 and 38,269.44 is: 52,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,490.24 : 94,509.12 = 38,269.44 : x
  2. Step 2: Convert to fraction form
    68,490.24/94,509.12 = 38,269.44/x
  3. Step 3: Cross multiply
    68,490.24x = 94,509.12 × 38,269.44
  4. Step 4: Simplify right side
    68,490.24x = 3,616,811,097.29
  5. Step 5: Solve for x
    x = 3,616,811,097.29/68,490.24
  6. Step 6: Final answer
    x = 52,807.69

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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.