Home / 40,911.35-61,424.48-20,935.13

Finding the Fourth Proportional to 40,911.35, 61,424.48 and 20,935.13

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Solution

The fourth proportional to 40,911.35, 61,424.48 and 20,935.13 is: 31,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,911.35 : 61,424.48 = 20,935.13 : x
  2. Step 2: Convert to fraction form
    40,911.35/61,424.48 = 20,935.13/x
  3. Step 3: Cross multiply
    40,911.35x = 61,424.48 × 20,935.13
  4. Step 4: Simplify right side
    40,911.35x = 1,285,929,062.18
  5. Step 5: Solve for x
    x = 1,285,929,062.18/40,911.35
  6. Step 6: Final answer
    x = 31,432.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.