Home / 49,976.18-74,964.30-13,040.18

Finding the Fourth Proportional to 49,976.18, 74,964.30 and 13,040.18

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Solution

The fourth proportional to 49,976.18, 74,964.30 and 13,040.18 is: 19,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,976.18 : 74,964.30 = 13,040.18 : x
  2. Step 2: Convert to fraction form
    49,976.18/74,964.30 = 13,040.18/x
  3. Step 3: Cross multiply
    49,976.18x = 74,964.30 × 13,040.18
  4. Step 4: Simplify right side
    49,976.18x = 977,547,965.57
  5. Step 5: Solve for x
    x = 977,547,965.57/49,976.18
  6. Step 6: Final answer
    x = 19,560.28

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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.