Home / 37,309.56-51,492.11-21,390.90

Finding the Fourth Proportional to 37,309.56, 51,492.11 and 21,390.90

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Solution

The fourth proportional to 37,309.56, 51,492.11 and 21,390.90 is: 29,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.56 : 51,492.11 = 21,390.90 : x
  2. Step 2: Convert to fraction form
    37,309.56/51,492.11 = 21,390.90/x
  3. Step 3: Cross multiply
    37,309.56x = 51,492.11 × 21,390.90
  4. Step 4: Simplify right side
    37,309.56x = 1,101,462,468.84
  5. Step 5: Solve for x
    x = 1,101,462,468.84/37,309.56
  6. Step 6: Final answer
    x = 29,522.26

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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.