Home / 45,754.56-63,180.69-28,787.08

Finding the Fourth Proportional to 45,754.56, 63,180.69 and 28,787.08

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Solution

The fourth proportional to 45,754.56, 63,180.69 and 28,787.08 is: 39,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,754.56 : 63,180.69 = 28,787.08 : x
  2. Step 2: Convert to fraction form
    45,754.56/63,180.69 = 28,787.08/x
  3. Step 3: Cross multiply
    45,754.56x = 63,180.69 × 28,787.08
  4. Step 4: Simplify right side
    45,754.56x = 1,818,787,577.49
  5. Step 5: Solve for x
    x = 1,818,787,577.49/45,754.56
  6. Step 6: Final answer
    x = 39,750.96

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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.