Home / 48,530.28-66,972.44-28,398.95

Finding the Fourth Proportional to 48,530.28, 66,972.44 and 28,398.95

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Solution

The fourth proportional to 48,530.28, 66,972.44 and 28,398.95 is: 39,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530.28 : 66,972.44 = 28,398.95 : x
  2. Step 2: Convert to fraction form
    48,530.28/66,972.44 = 28,398.95/x
  3. Step 3: Cross multiply
    48,530.28x = 66,972.44 × 28,398.95
  4. Step 4: Simplify right side
    48,530.28x = 1,901,946,711.07
  5. Step 5: Solve for x
    x = 1,901,946,711.07/48,530.28
  6. Step 6: Final answer
    x = 39,190.93

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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.