Home / 40,479.18-55,859.40-22,573.32

Finding the Fourth Proportional to 40,479.18, 55,859.40 and 22,573.32

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Solution

The fourth proportional to 40,479.18, 55,859.40 and 22,573.32 is: 31,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.18 : 55,859.40 = 22,573.32 : x
  2. Step 2: Convert to fraction form
    40,479.18/55,859.40 = 22,573.32/x
  3. Step 3: Cross multiply
    40,479.18x = 55,859.40 × 22,573.32
  4. Step 4: Simplify right side
    40,479.18x = 1,260,932,111.21
  5. Step 5: Solve for x
    x = 1,260,932,111.21/40,479.18
  6. Step 6: Final answer
    x = 31,150.14

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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.