Home / 37,655.76-51,958.08-21,734.40

Finding the Fourth Proportional to 37,655.76, 51,958.08 and 21,734.40

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Solution

The fourth proportional to 37,655.76, 51,958.08 and 21,734.40 is: 29,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.76 : 51,958.08 = 21,734.40 : x
  2. Step 2: Convert to fraction form
    37,655.76/51,958.08 = 21,734.40/x
  3. Step 3: Cross multiply
    37,655.76x = 51,958.08 × 21,734.40
  4. Step 4: Simplify right side
    37,655.76x = 1,129,277,693.95
  5. Step 5: Solve for x
    x = 1,129,277,693.95/37,655.76
  6. Step 6: Final answer
    x = 29,989.51

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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.