Home / 29,240.48-40,326.36-20,725.76

Finding the Fourth Proportional to 29,240.48, 40,326.36 and 20,725.76

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Solution

The fourth proportional to 29,240.48, 40,326.36 and 20,725.76 is: 28,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.48 : 40,326.36 = 20,725.76 : x
  2. Step 2: Convert to fraction form
    29,240.48/40,326.36 = 20,725.76/x
  3. Step 3: Cross multiply
    29,240.48x = 40,326.36 × 20,725.76
  4. Step 4: Simplify right side
    29,240.48x = 835,794,459.03
  5. Step 5: Solve for x
    x = 835,794,459.03/29,240.48
  6. Step 6: Final answer
    x = 28,583.47

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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.