Home / 31,644.68-47,490.36-15,004.68

Finding the Fourth Proportional to 31,644.68, 47,490.36 and 15,004.68

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Solution

The fourth proportional to 31,644.68, 47,490.36 and 15,004.68 is: 22,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.68 : 47,490.36 = 15,004.68 : x
  2. Step 2: Convert to fraction form
    31,644.68/47,490.36 = 15,004.68/x
  3. Step 3: Cross multiply
    31,644.68x = 47,490.36 × 15,004.68
  4. Step 4: Simplify right side
    31,644.68x = 712,577,654.88
  5. Step 5: Solve for x
    x = 712,577,654.88/31,644.68
  6. Step 6: Final answer
    x = 22,518.09

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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.