Home / 48,521.28-66,977.43-28,384.48

Finding the Fourth Proportional to 48,521.28, 66,977.43 and 28,384.48

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Solution

The fourth proportional to 48,521.28, 66,977.43 and 28,384.48 is: 39,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.28 : 66,977.43 = 28,384.48 : x
  2. Step 2: Convert to fraction form
    48,521.28/66,977.43 = 28,384.48/x
  3. Step 3: Cross multiply
    48,521.28x = 66,977.43 × 28,384.48
  4. Step 4: Simplify right side
    48,521.28x = 1,901,119,282.48
  5. Step 5: Solve for x
    x = 1,901,119,282.48/48,521.28
  6. Step 6: Final answer
    x = 39,181.15

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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.