Home / 35,424.70-48,887.59-20,321.62

Finding the Fourth Proportional to 35,424.70, 48,887.59 and 20,321.62

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Solution

The fourth proportional to 35,424.70, 48,887.59 and 20,321.62 is: 28,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.70 : 48,887.59 = 20,321.62 : x
  2. Step 2: Convert to fraction form
    35,424.70/48,887.59 = 20,321.62/x
  3. Step 3: Cross multiply
    35,424.70x = 48,887.59 × 20,321.62
  4. Step 4: Simplify right side
    35,424.70x = 993,475,026.70
  5. Step 5: Solve for x
    x = 993,475,026.70/35,424.70
  6. Step 6: Final answer
    x = 28,044.70

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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.