Home / 48,837.72-67,405.88-28,701.12

Finding the Fourth Proportional to 48,837.72, 67,405.88 and 28,701.12

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Solution

The fourth proportional to 48,837.72, 67,405.88 and 28,701.12 is: 39,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,837.72 : 67,405.88 = 28,701.12 : x
  2. Step 2: Convert to fraction form
    48,837.72/67,405.88 = 28,701.12/x
  3. Step 3: Cross multiply
    48,837.72x = 67,405.88 × 28,701.12
  4. Step 4: Simplify right side
    48,837.72x = 1,934,624,250.59
  5. Step 5: Solve for x
    x = 1,934,624,250.59/48,837.72
  6. Step 6: Final answer
    x = 39,613.32

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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.