Home / 37,058.31-51,139.76-21,140.19

Finding the Fourth Proportional to 37,058.31, 51,139.76 and 21,140.19

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Solution

The fourth proportional to 37,058.31, 51,139.76 and 21,140.19 is: 29,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,058.31 : 51,139.76 = 21,140.19 : x
  2. Step 2: Convert to fraction form
    37,058.31/51,139.76 = 21,140.19/x
  3. Step 3: Cross multiply
    37,058.31x = 51,139.76 × 21,140.19
  4. Step 4: Simplify right side
    37,058.31x = 1,081,104,137.25
  5. Step 5: Solve for x
    x = 1,081,104,137.25/37,058.31
  6. Step 6: Final answer
    x = 29,173.06

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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.