Home / 37,312.82-51,492.87-20,318.18

Finding the Fourth Proportional to 37,312.82, 51,492.87 and 20,318.18

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Solution

The fourth proportional to 37,312.82, 51,492.87 and 20,318.18 is: 28,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.82 : 51,492.87 = 20,318.18 : x
  2. Step 2: Convert to fraction form
    37,312.82/51,492.87 = 20,318.18/x
  3. Step 3: Cross multiply
    37,312.82x = 51,492.87 × 20,318.18
  4. Step 4: Simplify right side
    37,312.82x = 1,046,241,401.38
  5. Step 5: Solve for x
    x = 1,046,241,401.38/37,312.82
  6. Step 6: Final answer
    x = 28,039.73

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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.