Home / 43,833.38-65,702.91-18,885.18

Finding the Fourth Proportional to 43,833.38, 65,702.91 and 18,885.18

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Solution

The fourth proportional to 43,833.38, 65,702.91 and 18,885.18 is: 28,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,833.38 : 65,702.91 = 18,885.18 : x
  2. Step 2: Convert to fraction form
    43,833.38/65,702.91 = 18,885.18/x
  3. Step 3: Cross multiply
    43,833.38x = 65,702.91 × 18,885.18
  4. Step 4: Simplify right side
    43,833.38x = 1,240,811,281.87
  5. Step 5: Solve for x
    x = 1,240,811,281.87/43,833.38
  6. Step 6: Final answer
    x = 28,307.45

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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.