Home / 36,439.02-54,658.53-20,845.71

Finding the Fourth Proportional to 36,439.02, 54,658.53 and 20,845.71

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Solution

The fourth proportional to 36,439.02, 54,658.53 and 20,845.71 is: 31,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.02 : 54,658.53 = 20,845.71 : x
  2. Step 2: Convert to fraction form
    36,439.02/54,658.53 = 20,845.71/x
  3. Step 3: Cross multiply
    36,439.02x = 54,658.53 × 20,845.71
  4. Step 4: Simplify right side
    36,439.02x = 1,139,395,865.41
  5. Step 5: Solve for x
    x = 1,139,395,865.41/36,439.02
  6. Step 6: Final answer
    x = 31,268.57

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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.