Home / 31,604.18-47,405.79-9,417.69

Finding the Fourth Proportional to 31,604.18, 47,405.79 and 9,417.69

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Solution

The fourth proportional to 31,604.18, 47,405.79 and 9,417.69 is: 14,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.18 : 47,405.79 = 9,417.69 : x
  2. Step 2: Convert to fraction form
    31,604.18/47,405.79 = 9,417.69/x
  3. Step 3: Cross multiply
    31,604.18x = 47,405.79 × 9,417.69
  4. Step 4: Simplify right side
    31,604.18x = 446,453,034.43
  5. Step 5: Solve for x
    x = 446,453,034.43/31,604.18
  6. Step 6: Final answer
    x = 14,126.39

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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.