Home / 42,149.84-63,260.23-21,083.56

Finding the Fourth Proportional to 42,149.84, 63,260.23 and 21,083.56

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Solution

The fourth proportional to 42,149.84, 63,260.23 and 21,083.56 is: 31,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.84 : 63,260.23 = 21,083.56 : x
  2. Step 2: Convert to fraction form
    42,149.84/63,260.23 = 21,083.56/x
  3. Step 3: Cross multiply
    42,149.84x = 63,260.23 × 21,083.56
  4. Step 4: Simplify right side
    42,149.84x = 1,333,750,802.11
  5. Step 5: Solve for x
    x = 1,333,750,802.11/42,149.84
  6. Step 6: Final answer
    x = 31,643.08

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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.