Home / 31,370.03-47,026.16-13,589.51

Finding the Fourth Proportional to 31,370.03, 47,026.16 and 13,589.51

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Solution

The fourth proportional to 31,370.03, 47,026.16 and 13,589.51 is: 20,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.03 : 47,026.16 = 13,589.51 : x
  2. Step 2: Convert to fraction form
    31,370.03/47,026.16 = 13,589.51/x
  3. Step 3: Cross multiply
    31,370.03x = 47,026.16 × 13,589.51
  4. Step 4: Simplify right side
    31,370.03x = 639,062,505.56
  5. Step 5: Solve for x
    x = 639,062,505.56/31,370.03
  6. Step 6: Final answer
    x = 20,371.76

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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.