Home / 49,634.16-74,395.80-21,521.76

Finding the Fourth Proportional to 49,634.16, 74,395.80 and 21,521.76

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Solution

The fourth proportional to 49,634.16, 74,395.80 and 21,521.76 is: 32,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.16 : 74,395.80 = 21,521.76 : x
  2. Step 2: Convert to fraction form
    49,634.16/74,395.80 = 21,521.76/x
  3. Step 3: Cross multiply
    49,634.16x = 74,395.80 × 21,521.76
  4. Step 4: Simplify right side
    49,634.16x = 1,601,128,552.61
  5. Step 5: Solve for x
    x = 1,601,128,552.61/49,634.16
  6. Step 6: Final answer
    x = 32,258.60

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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.