Home / 37,377.60-51,579.48-20,381.43

Finding the Fourth Proportional to 37,377.60, 51,579.48 and 20,381.43

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Solution

The fourth proportional to 37,377.60, 51,579.48 and 20,381.43 is: 28,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,377.60 : 51,579.48 = 20,381.43 : x
  2. Step 2: Convert to fraction form
    37,377.60/51,579.48 = 20,381.43/x
  3. Step 3: Cross multiply
    37,377.60x = 51,579.48 × 20,381.43
  4. Step 4: Simplify right side
    37,377.60x = 1,051,263,561.06
  5. Step 5: Solve for x
    x = 1,051,263,561.06/37,377.60
  6. Step 6: Final answer
    x = 28,125.50

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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.