Home / 30,363.57-45,551.84-10,643.31

Finding the Fourth Proportional to 30,363.57, 45,551.84 and 10,643.31

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Solution

The fourth proportional to 30,363.57, 45,551.84 and 10,643.31 is: 15,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.57 : 45,551.84 = 10,643.31 : x
  2. Step 2: Convert to fraction form
    30,363.57/45,551.84 = 10,643.31/x
  3. Step 3: Cross multiply
    30,363.57x = 45,551.84 × 10,643.31
  4. Step 4: Simplify right side
    30,363.57x = 484,822,300.97
  5. Step 5: Solve for x
    x = 484,822,300.97/30,363.57
  6. Step 6: Final answer
    x = 15,967.24

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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.