Home / 31,497.60-47,246.40-17,644.80

Finding the Fourth Proportional to 31,497.60, 47,246.40 and 17,644.80

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Solution

The fourth proportional to 31,497.60, 47,246.40 and 17,644.80 is: 26,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.60 : 47,246.40 = 17,644.80 : x
  2. Step 2: Convert to fraction form
    31,497.60/47,246.40 = 17,644.80/x
  3. Step 3: Cross multiply
    31,497.60x = 47,246.40 × 17,644.80
  4. Step 4: Simplify right side
    31,497.60x = 833,653,278.72
  5. Step 5: Solve for x
    x = 833,653,278.72/31,497.60
  6. Step 6: Final answer
    x = 26,467.20

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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.