Home / 68,442.07-94,448.13-38,226.50

Finding the Fourth Proportional to 68,442.07, 94,448.13 and 38,226.50

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Solution

The fourth proportional to 68,442.07, 94,448.13 and 38,226.50 is: 52,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.07 : 94,448.13 = 38,226.50 : x
  2. Step 2: Convert to fraction form
    68,442.07/94,448.13 = 38,226.50/x
  3. Step 3: Cross multiply
    68,442.07x = 94,448.13 × 38,226.50
  4. Step 4: Simplify right side
    68,442.07x = 3,610,421,441.45
  5. Step 5: Solve for x
    x = 3,610,421,441.45/68,442.07
  6. Step 6: Final answer
    x = 52,751.50

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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.