Home / 31,513.23-47,269.71-9,326.75

Finding the Fourth Proportional to 31,513.23, 47,269.71 and 9,326.75

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Solution

The fourth proportional to 31,513.23, 47,269.71 and 9,326.75 is: 13,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.23 : 47,269.71 = 9,326.75 : x
  2. Step 2: Convert to fraction form
    31,513.23/47,269.71 = 9,326.75/x
  3. Step 3: Cross multiply
    31,513.23x = 47,269.71 × 9,326.75
  4. Step 4: Simplify right side
    31,513.23x = 440,872,531.39
  5. Step 5: Solve for x
    x = 440,872,531.39/31,513.23
  6. Step 6: Final answer
    x = 13,990.08

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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.