Home / 30,741.78-45,857.95-29,835.39

Finding the Fourth Proportional to 30,741.78, 45,857.95 and 29,835.39

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Solution

The fourth proportional to 30,741.78, 45,857.95 and 29,835.39 is: 44,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741.78 : 45,857.95 = 29,835.39 : x
  2. Step 2: Convert to fraction form
    30,741.78/45,857.95 = 29,835.39/x
  3. Step 3: Cross multiply
    30,741.78x = 45,857.95 × 29,835.39
  4. Step 4: Simplify right side
    30,741.78x = 1,368,189,822.85
  5. Step 5: Solve for x
    x = 1,368,189,822.85/30,741.78
  6. Step 6: Final answer
    x = 44,505.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.