Home / 45,772.16-63,143.28-28,797.44

Finding the Fourth Proportional to 45,772.16, 63,143.28 and 28,797.44

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Solution

The fourth proportional to 45,772.16, 63,143.28 and 28,797.44 is: 39,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,772.16 : 63,143.28 = 28,797.44 : x
  2. Step 2: Convert to fraction form
    45,772.16/63,143.28 = 28,797.44/x
  3. Step 3: Cross multiply
    45,772.16x = 63,143.28 × 28,797.44
  4. Step 4: Simplify right side
    45,772.16x = 1,818,364,817.20
  5. Step 5: Solve for x
    x = 1,818,364,817.20/45,772.16
  6. Step 6: Final answer
    x = 39,726.44

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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.