Home / 35,982.62-49,653.05-20,870.45

Finding the Fourth Proportional to 35,982.62, 49,653.05 and 20,870.45

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Solution

The fourth proportional to 35,982.62, 49,653.05 and 20,870.45 is: 28,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.62 : 49,653.05 = 20,870.45 : x
  2. Step 2: Convert to fraction form
    35,982.62/49,653.05 = 20,870.45/x
  3. Step 3: Cross multiply
    35,982.62x = 49,653.05 × 20,870.45
  4. Step 4: Simplify right side
    35,982.62x = 1,036,281,144.76
  5. Step 5: Solve for x
    x = 1,036,281,144.76/35,982.62
  6. Step 6: Final answer
    x = 28,799.50

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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.