Home / 30,358.06-41,892.15-16,928.53

Finding the Fourth Proportional to 30,358.06, 41,892.15 and 16,928.53

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Solution

The fourth proportional to 30,358.06, 41,892.15 and 16,928.53 is: 23,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.06 : 41,892.15 = 16,928.53 : x
  2. Step 2: Convert to fraction form
    30,358.06/41,892.15 = 16,928.53/x
  3. Step 3: Cross multiply
    30,358.06x = 41,892.15 × 16,928.53
  4. Step 4: Simplify right side
    30,358.06x = 709,172,518.04
  5. Step 5: Solve for x
    x = 709,172,518.04/30,358.06
  6. Step 6: Final answer
    x = 23,360.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.