Home / 30,480.19-45,710.98-10,754.14

Finding the Fourth Proportional to 30,480.19, 45,710.98 and 10,754.14

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Solution

The fourth proportional to 30,480.19, 45,710.98 and 10,754.14 is: 16,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.19 : 45,710.98 = 10,754.14 : x
  2. Step 2: Convert to fraction form
    30,480.19/45,710.98 = 10,754.14/x
  3. Step 3: Cross multiply
    30,480.19x = 45,710.98 × 10,754.14
  4. Step 4: Simplify right side
    30,480.19x = 491,582,278.46
  5. Step 5: Solve for x
    x = 491,582,278.46/30,480.19
  6. Step 6: Final answer
    x = 16,127.93

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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.