Home / 48,159.68-66,459-26,939.12

Finding the Fourth Proportional to 48,159.68, 66,459 and 26,939.12

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Solution

The fourth proportional to 48,159.68, 66,459 and 26,939.12 is: 37,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,159.68 : 66,459 = 26,939.12 : x
  2. Step 2: Convert to fraction form
    48,159.68/66,459 = 26,939.12/x
  3. Step 3: Cross multiply
    48,159.68x = 66,459 × 26,939.12
  4. Step 4: Simplify right side
    48,159.68x = 1,790,346,976.08
  5. Step 5: Solve for x
    x = 1,790,346,976.08/48,159.68
  6. Step 6: Final answer
    x = 37,175.23

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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.