Home / 31,295.85-43,187.99-16,955.36

Finding the Fourth Proportional to 31,295.85, 43,187.99 and 16,955.36

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Solution

The fourth proportional to 31,295.85, 43,187.99 and 16,955.36 is: 23,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.85 : 43,187.99 = 16,955.36 : x
  2. Step 2: Convert to fraction form
    31,295.85/43,187.99 = 16,955.36/x
  3. Step 3: Cross multiply
    31,295.85x = 43,187.99 × 16,955.36
  4. Step 4: Simplify right side
    31,295.85x = 732,267,617.41
  5. Step 5: Solve for x
    x = 732,267,617.41/31,295.85
  6. Step 6: Final answer
    x = 23,398.23

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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.