Home / 37,254.18-51,408.08-21,338.22

Finding the Fourth Proportional to 37,254.18, 51,408.08 and 21,338.22

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Solution

The fourth proportional to 37,254.18, 51,408.08 and 21,338.22 is: 29,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,254.18 : 51,408.08 = 21,338.22 : x
  2. Step 2: Convert to fraction form
    37,254.18/51,408.08 = 21,338.22/x
  3. Step 3: Cross multiply
    37,254.18x = 51,408.08 × 21,338.22
  4. Step 4: Simplify right side
    37,254.18x = 1,096,956,920.82
  5. Step 5: Solve for x
    x = 1,096,956,920.82/37,254.18
  6. Step 6: Final answer
    x = 29,445.20

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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.