Home / 75,827.90-113,765.54-22,520.18

Finding the Fourth Proportional to 75,827.90, 113,765.54 and 22,520.18

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Solution

The fourth proportional to 75,827.90, 113,765.54 and 22,520.18 is: 33,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,827.90 : 113,765.54 = 22,520.18 : x
  2. Step 2: Convert to fraction form
    75,827.90/113,765.54 = 22,520.18/x
  3. Step 3: Cross multiply
    75,827.90x = 113,765.54 × 22,520.18
  4. Step 4: Simplify right side
    75,827.90x = 2,562,020,438.60
  5. Step 5: Solve for x
    x = 2,562,020,438.60/75,827.90
  6. Step 6: Final answer
    x = 33,787.31

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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.