Home / 39,781.02-59,671.61-10,198.96

Finding the Fourth Proportional to 39,781.02, 59,671.61 and 10,198.96

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Solution

The fourth proportional to 39,781.02, 59,671.61 and 10,198.96 is: 15,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.02 : 59,671.61 = 10,198.96 : x
  2. Step 2: Convert to fraction form
    39,781.02/59,671.61 = 10,198.96/x
  3. Step 3: Cross multiply
    39,781.02x = 59,671.61 × 10,198.96
  4. Step 4: Simplify right side
    39,781.02x = 608,588,338.03
  5. Step 5: Solve for x
    x = 608,588,338.03/39,781.02
  6. Step 6: Final answer
    x = 15,298.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.