Home / 68,355.02-94,329.81-38,138.51

Finding the Fourth Proportional to 68,355.02, 94,329.81 and 38,138.51

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Solution

The fourth proportional to 68,355.02, 94,329.81 and 38,138.51 is: 52,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.02 : 94,329.81 = 38,138.51 : x
  2. Step 2: Convert to fraction form
    68,355.02/94,329.81 = 38,138.51/x
  3. Step 3: Cross multiply
    68,355.02x = 94,329.81 × 38,138.51
  4. Step 4: Simplify right side
    68,355.02x = 3,597,597,930.33
  5. Step 5: Solve for x
    x = 3,597,597,930.33/68,355.02
  6. Step 6: Final answer
    x = 52,631.08

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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.