Home / 31,726.86-47,590.64-13,002.09

Finding the Fourth Proportional to 31,726.86, 47,590.64 and 13,002.09

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Solution

The fourth proportional to 31,726.86, 47,590.64 and 13,002.09 is: 19,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.86 : 47,590.64 = 13,002.09 : x
  2. Step 2: Convert to fraction form
    31,726.86/47,590.64 = 13,002.09/x
  3. Step 3: Cross multiply
    31,726.86x = 47,590.64 × 13,002.09
  4. Step 4: Simplify right side
    31,726.86x = 618,777,719.43
  5. Step 5: Solve for x
    x = 618,777,719.43/31,726.86
  6. Step 6: Final answer
    x = 19,503.28

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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.