Home / 37,278.80-51,446.15-21,366.32

Finding the Fourth Proportional to 37,278.80, 51,446.15 and 21,366.32

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Solution

The fourth proportional to 37,278.80, 51,446.15 and 21,366.32 is: 29,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.80 : 51,446.15 = 21,366.32 : x
  2. Step 2: Convert to fraction form
    37,278.80/51,446.15 = 21,366.32/x
  3. Step 3: Cross multiply
    37,278.80x = 51,446.15 × 21,366.32
  4. Step 4: Simplify right side
    37,278.80x = 1,099,214,539.61
  5. Step 5: Solve for x
    x = 1,099,214,539.61/37,278.80
  6. Step 6: Final answer
    x = 29,486.32

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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.