Home / 40,152.30-55,407.86-22,246.25

Finding the Fourth Proportional to 40,152.30, 55,407.86 and 22,246.25

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Solution

The fourth proportional to 40,152.30, 55,407.86 and 22,246.25 is: 30,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.30 : 55,407.86 = 22,246.25 : x
  2. Step 2: Convert to fraction form
    40,152.30/55,407.86 = 22,246.25/x
  3. Step 3: Cross multiply
    40,152.30x = 55,407.86 × 22,246.25
  4. Step 4: Simplify right side
    40,152.30x = 1,232,616,717.25
  5. Step 5: Solve for x
    x = 1,232,616,717.25/40,152.30
  6. Step 6: Final answer
    x = 30,698.53

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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.