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Finding the Fourth Proportional to 29,597.54, 40,829.44 and 20,037.77

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Solution

The fourth proportional to 29,597.54, 40,829.44 and 20,037.77 is: 27,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,597.54 : 40,829.44 = 20,037.77 : x
  2. Step 2: Convert to fraction form
    29,597.54/40,829.44 = 20,037.77/x
  3. Step 3: Cross multiply
    29,597.54x = 40,829.44 × 20,037.77
  4. Step 4: Simplify right side
    29,597.54x = 818,130,979.93
  5. Step 5: Solve for x
    x = 818,130,979.93/29,597.54
  6. Step 6: Final answer
    x = 27,641.86

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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.