Home / 49,954.77-74,947.14-21,117.06

Finding the Fourth Proportional to 49,954.77, 74,947.14 and 21,117.06

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Solution

The fourth proportional to 49,954.77, 74,947.14 and 21,117.06 is: 31,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.77 : 74,947.14 = 21,117.06 : x
  2. Step 2: Convert to fraction form
    49,954.77/74,947.14 = 21,117.06/x
  3. Step 3: Cross multiply
    49,954.77x = 74,947.14 × 21,117.06
  4. Step 4: Simplify right side
    49,954.77x = 1,582,663,252.21
  5. Step 5: Solve for x
    x = 1,582,663,252.21/49,954.77
  6. Step 6: Final answer
    x = 31,681.92

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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.