Home / 40,386.99-55,732.73-22,481.40

Finding the Fourth Proportional to 40,386.99, 55,732.73 and 22,481.40

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Solution

The fourth proportional to 40,386.99, 55,732.73 and 22,481.40 is: 31,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.99 : 55,732.73 = 22,481.40 : x
  2. Step 2: Convert to fraction form
    40,386.99/55,732.73 = 22,481.40/x
  3. Step 3: Cross multiply
    40,386.99x = 55,732.73 × 22,481.40
  4. Step 4: Simplify right side
    40,386.99x = 1,252,949,573.76
  5. Step 5: Solve for x
    x = 1,252,949,573.76/40,386.99
  6. Step 6: Final answer
    x = 31,023.60

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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.