Home / 38,990.94-58,476.02-10,909.24

Finding the Fourth Proportional to 38,990.94, 58,476.02 and 10,909.24

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Solution

The fourth proportional to 38,990.94, 58,476.02 and 10,909.24 is: 16,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,990.94 : 58,476.02 = 10,909.24 : x
  2. Step 2: Convert to fraction form
    38,990.94/58,476.02 = 10,909.24/x
  3. Step 3: Cross multiply
    38,990.94x = 58,476.02 × 10,909.24
  4. Step 4: Simplify right side
    38,990.94x = 637,928,936.42
  5. Step 5: Solve for x
    x = 637,928,936.42/38,990.94
  6. Step 6: Final answer
    x = 16,360.95

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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.