Home / 31,634.70-47,437.44-9,442.32

Finding the Fourth Proportional to 31,634.70, 47,437.44 and 9,442.32

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Solution

The fourth proportional to 31,634.70, 47,437.44 and 9,442.32 is: 14,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.70 : 47,437.44 = 9,442.32 : x
  2. Step 2: Convert to fraction form
    31,634.70/47,437.44 = 9,442.32/x
  3. Step 3: Cross multiply
    31,634.70x = 47,437.44 × 9,442.32
  4. Step 4: Simplify right side
    31,634.70x = 447,919,488.46
  5. Step 5: Solve for x
    x = 447,919,488.46/31,634.70
  6. Step 6: Final answer
    x = 14,159.12

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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.