Home / 31,542.95-47,314.60-9,356.49

Finding the Fourth Proportional to 31,542.95, 47,314.60 and 9,356.49

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Solution

The fourth proportional to 31,542.95, 47,314.60 and 9,356.49 is: 14,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.95 : 47,314.60 = 9,356.49 : x
  2. Step 2: Convert to fraction form
    31,542.95/47,314.60 = 9,356.49/x
  3. Step 3: Cross multiply
    31,542.95x = 47,314.60 × 9,356.49
  4. Step 4: Simplify right side
    31,542.95x = 442,698,558.36
  5. Step 5: Solve for x
    x = 442,698,558.36/31,542.95
  6. Step 6: Final answer
    x = 14,034.79

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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.