Home / 30,362.32-45,549.96-10,642.08

Finding the Fourth Proportional to 30,362.32, 45,549.96 and 10,642.08

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Solution

The fourth proportional to 30,362.32, 45,549.96 and 10,642.08 is: 15,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.32 : 45,549.96 = 10,642.08 : x
  2. Step 2: Convert to fraction form
    30,362.32/45,549.96 = 10,642.08/x
  3. Step 3: Cross multiply
    30,362.32x = 45,549.96 × 10,642.08
  4. Step 4: Simplify right side
    30,362.32x = 484,746,318.32
  5. Step 5: Solve for x
    x = 484,746,318.32/30,362.32
  6. Step 6: Final answer
    x = 15,965.39

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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.