Home / 49,756.64-68,663.48-28,246.20

Finding the Fourth Proportional to 49,756.64, 68,663.48 and 28,246.20

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Solution

The fourth proportional to 49,756.64, 68,663.48 and 28,246.20 is: 38,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,756.64 : 68,663.48 = 28,246.20 : x
  2. Step 2: Convert to fraction form
    49,756.64/68,663.48 = 28,246.20/x
  3. Step 3: Cross multiply
    49,756.64x = 68,663.48 × 28,246.20
  4. Step 4: Simplify right side
    49,756.64x = 1,939,482,459.39
  5. Step 5: Solve for x
    x = 1,939,482,459.39/49,756.64
  6. Step 6: Final answer
    x = 38,979.37

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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.