Home / 35,428.84-48,891.81-21,281.65

Finding the Fourth Proportional to 35,428.84, 48,891.81 and 21,281.65

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Solution

The fourth proportional to 35,428.84, 48,891.81 and 21,281.65 is: 29,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.84 : 48,891.81 = 21,281.65 : x
  2. Step 2: Convert to fraction form
    35,428.84/48,891.81 = 21,281.65/x
  3. Step 3: Cross multiply
    35,428.84x = 48,891.81 × 21,281.65
  4. Step 4: Simplify right side
    35,428.84x = 1,040,498,388.29
  5. Step 5: Solve for x
    x = 1,040,498,388.29/35,428.84
  6. Step 6: Final answer
    x = 29,368.68

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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.