Home / 29,205.77-40,303.98-15,777.02

Finding the Fourth Proportional to 29,205.77, 40,303.98 and 15,777.02

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Solution

The fourth proportional to 29,205.77, 40,303.98 and 15,777.02 is: 21,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.77 : 40,303.98 = 15,777.02 : x
  2. Step 2: Convert to fraction form
    29,205.77/40,303.98 = 15,777.02/x
  3. Step 3: Cross multiply
    29,205.77x = 40,303.98 × 15,777.02
  4. Step 4: Simplify right side
    29,205.77x = 635,876,799.30
  5. Step 5: Solve for x
    x = 635,876,799.30/29,205.77
  6. Step 6: Final answer
    x = 21,772.30

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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.