Home / 40,404.02-55,829.86-31,474.58

Finding the Fourth Proportional to 40,404.02, 55,829.86 and 31,474.58

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Solution

The fourth proportional to 40,404.02, 55,829.86 and 31,474.58 is: 43,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404.02 : 55,829.86 = 31,474.58 : x
  2. Step 2: Convert to fraction form
    40,404.02/55,829.86 = 31,474.58/x
  3. Step 3: Cross multiply
    40,404.02x = 55,829.86 × 31,474.58
  4. Step 4: Simplify right side
    40,404.02x = 1,757,221,037.12
  5. Step 5: Solve for x
    x = 1,757,221,037.12/40,404.02
  6. Step 6: Final answer
    x = 43,491.25

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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.