Home / 30,228.66-41,713.38-18,903.24

Finding the Fourth Proportional to 30,228.66, 41,713.38 and 18,903.24

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Solution

The fourth proportional to 30,228.66, 41,713.38 and 18,903.24 is: 26,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.66 : 41,713.38 = 18,903.24 : x
  2. Step 2: Convert to fraction form
    30,228.66/41,713.38 = 18,903.24/x
  3. Step 3: Cross multiply
    30,228.66x = 41,713.38 × 18,903.24
  4. Step 4: Simplify right side
    30,228.66x = 788,518,033.35
  5. Step 5: Solve for x
    x = 788,518,033.35/30,228.66
  6. Step 6: Final answer
    x = 26,085.11

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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.