Home / 44,787.06-67,190.31-13,621.50

Finding the Fourth Proportional to 44,787.06, 67,190.31 and 13,621.50

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Solution

The fourth proportional to 44,787.06, 67,190.31 and 13,621.50 is: 20,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,787.06 : 67,190.31 = 13,621.50 : x
  2. Step 2: Convert to fraction form
    44,787.06/67,190.31 = 13,621.50/x
  3. Step 3: Cross multiply
    44,787.06x = 67,190.31 × 13,621.50
  4. Step 4: Simplify right side
    44,787.06x = 915,232,807.67
  5. Step 5: Solve for x
    x = 915,232,807.67/44,787.06
  6. Step 6: Final answer
    x = 20,435.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.