Home / 37,377.53-51,581.39-20,381.63

Finding the Fourth Proportional to 37,377.53, 51,581.39 and 20,381.63

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Solution

The fourth proportional to 37,377.53, 51,581.39 and 20,381.63 is: 28,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,377.53 : 51,581.39 = 20,381.63 : x
  2. Step 2: Convert to fraction form
    37,377.53/51,581.39 = 20,381.63/x
  3. Step 3: Cross multiply
    37,377.53x = 51,581.39 × 20,381.63
  4. Step 4: Simplify right side
    37,377.53x = 1,051,312,805.87
  5. Step 5: Solve for x
    x = 1,051,312,805.87/37,377.53
  6. Step 6: Final answer
    x = 28,126.87

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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.