Home / 31,050.20-42,849.48-16,903.22

Finding the Fourth Proportional to 31,050.20, 42,849.48 and 16,903.22

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Solution

The fourth proportional to 31,050.20, 42,849.48 and 16,903.22 is: 23,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.20 : 42,849.48 = 16,903.22 : x
  2. Step 2: Convert to fraction form
    31,050.20/42,849.48 = 16,903.22/x
  3. Step 3: Cross multiply
    31,050.20x = 42,849.48 × 16,903.22
  4. Step 4: Simplify right side
    31,050.20x = 724,294,187.33
  5. Step 5: Solve for x
    x = 724,294,187.33/31,050.20
  6. Step 6: Final answer
    x = 23,326.55

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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.