Home / 38,689.48-53,388.18-26,131.24

Finding the Fourth Proportional to 38,689.48, 53,388.18 and 26,131.24

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Solution

The fourth proportional to 38,689.48, 53,388.18 and 26,131.24 is: 36,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.48 : 53,388.18 = 26,131.24 : x
  2. Step 2: Convert to fraction form
    38,689.48/53,388.18 = 26,131.24/x
  3. Step 3: Cross multiply
    38,689.48x = 53,388.18 × 26,131.24
  4. Step 4: Simplify right side
    38,689.48x = 1,395,099,344.74
  5. Step 5: Solve for x
    x = 1,395,099,344.74/38,689.48
  6. Step 6: Final answer
    x = 36,058.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.