Home / 31,280.37-43,170.02-17,853.66

Finding the Fourth Proportional to 31,280.37, 43,170.02 and 17,853.66

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Solution

The fourth proportional to 31,280.37, 43,170.02 and 17,853.66 is: 24,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.37 : 43,170.02 = 17,853.66 : x
  2. Step 2: Convert to fraction form
    31,280.37/43,170.02 = 17,853.66/x
  3. Step 3: Cross multiply
    31,280.37x = 43,170.02 × 17,853.66
  4. Step 4: Simplify right side
    31,280.37x = 770,742,859.27
  5. Step 5: Solve for x
    x = 770,742,859.27/31,280.37
  6. Step 6: Final answer
    x = 24,639.83

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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.