Home / 37,671.47-51,987.48-21,317.37

Finding the Fourth Proportional to 37,671.47, 51,987.48 and 21,317.37

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Solution

The fourth proportional to 37,671.47, 51,987.48 and 21,317.37 is: 29,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,671.47 : 51,987.48 = 21,317.37 : x
  2. Step 2: Convert to fraction form
    37,671.47/51,987.48 = 21,317.37/x
  3. Step 3: Cross multiply
    37,671.47x = 51,987.48 × 21,317.37
  4. Step 4: Simplify right side
    37,671.47x = 1,108,236,346.53
  5. Step 5: Solve for x
    x = 1,108,236,346.53/37,671.47
  6. Step 6: Final answer
    x = 29,418.45

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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.