Home / 53,490.18-73,819.17-29,619.48

Finding the Fourth Proportional to 53,490.18, 73,819.17 and 29,619.48

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Solution

The fourth proportional to 53,490.18, 73,819.17 and 29,619.48 is: 40,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.18 : 73,819.17 = 29,619.48 : x
  2. Step 2: Convert to fraction form
    53,490.18/73,819.17 = 29,619.48/x
  3. Step 3: Cross multiply
    53,490.18x = 73,819.17 × 29,619.48
  4. Step 4: Simplify right side
    53,490.18x = 2,186,485,429.43
  5. Step 5: Solve for x
    x = 2,186,485,429.43/53,490.18
  6. Step 6: Final answer
    x = 40,876.39

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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.