Home / 31,512.86-47,269.15-9,326.37

Finding the Fourth Proportional to 31,512.86, 47,269.15 and 9,326.37

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Solution

The fourth proportional to 31,512.86, 47,269.15 and 9,326.37 is: 13,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.86 : 47,269.15 = 9,326.37 : x
  2. Step 2: Convert to fraction form
    31,512.86/47,269.15 = 9,326.37/x
  3. Step 3: Cross multiply
    31,512.86x = 47,269.15 × 9,326.37
  4. Step 4: Simplify right side
    31,512.86x = 440,849,559.17
  5. Step 5: Solve for x
    x = 440,849,559.17/31,512.86
  6. Step 6: Final answer
    x = 13,989.52

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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.