Home / 48,391.79-66,774.47-28,244.05

Finding the Fourth Proportional to 48,391.79, 66,774.47 and 28,244.05

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Solution

The fourth proportional to 48,391.79, 66,774.47 and 28,244.05 is: 38,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.79 : 66,774.47 = 28,244.05 : x
  2. Step 2: Convert to fraction form
    48,391.79/66,774.47 = 28,244.05/x
  3. Step 3: Cross multiply
    48,391.79x = 66,774.47 × 28,244.05
  4. Step 4: Simplify right side
    48,391.79x = 1,885,981,135.53
  5. Step 5: Solve for x
    x = 1,885,981,135.53/48,391.79
  6. Step 6: Final answer
    x = 38,973.17

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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.