Home / 30,428.19-45,644.69-10,711.17

Finding the Fourth Proportional to 30,428.19, 45,644.69 and 10,711.17

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Solution

The fourth proportional to 30,428.19, 45,644.69 and 10,711.17 is: 16,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428.19 : 45,644.69 = 10,711.17 : x
  2. Step 2: Convert to fraction form
    30,428.19/45,644.69 = 10,711.17/x
  3. Step 3: Cross multiply
    30,428.19x = 45,644.69 × 10,711.17
  4. Step 4: Simplify right side
    30,428.19x = 488,908,060.97
  5. Step 5: Solve for x
    x = 488,908,060.97/30,428.19
  6. Step 6: Final answer
    x = 16,067.60

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1.5x scale

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.