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Finding the Fourth Proportional to 70,320.95, 105,482.51 and 22,935.84

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Solution

The fourth proportional to 70,320.95, 105,482.51 and 22,935.84 is: 34,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.95 : 105,482.51 = 22,935.84 : x
  2. Step 2: Convert to fraction form
    70,320.95/105,482.51 = 22,935.84/x
  3. Step 3: Cross multiply
    70,320.95x = 105,482.51 × 22,935.84
  4. Step 4: Simplify right side
    70,320.95x = 2,419,329,972.16
  5. Step 5: Solve for x
    x = 2,419,329,972.16/70,320.95
  6. Step 6: Final answer
    x = 34,404.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.