Home / 43,366.52-65,048.28-18,390.50

Finding the Fourth Proportional to 43,366.52, 65,048.28 and 18,390.50

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Solution

The fourth proportional to 43,366.52, 65,048.28 and 18,390.50 is: 27,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,366.52 : 65,048.28 = 18,390.50 : x
  2. Step 2: Convert to fraction form
    43,366.52/65,048.28 = 18,390.50/x
  3. Step 3: Cross multiply
    43,366.52x = 65,048.28 × 18,390.50
  4. Step 4: Simplify right side
    43,366.52x = 1,196,270,393.34
  5. Step 5: Solve for x
    x = 1,196,270,393.34/43,366.52
  6. Step 6: Final answer
    x = 27,585.11

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Double scale
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Similar ratio
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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.