Home / 48,476.49-66,881.48-39,508.58

Finding the Fourth Proportional to 48,476.49, 66,881.48 and 39,508.58

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Solution

The fourth proportional to 48,476.49, 66,881.48 and 39,508.58 is: 54,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,476.49 : 66,881.48 = 39,508.58 : x
  2. Step 2: Convert to fraction form
    48,476.49/66,881.48 = 39,508.58/x
  3. Step 3: Cross multiply
    48,476.49x = 66,881.48 × 39,508.58
  4. Step 4: Simplify right side
    48,476.49x = 2,642,391,771.15
  5. Step 5: Solve for x
    x = 2,642,391,771.15/48,476.49
  6. Step 6: Final answer
    x = 54,508.73

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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.