Home / 45,433.90-68,153.59-14,269.15

Finding the Fourth Proportional to 45,433.90, 68,153.59 and 14,269.15

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Solution

The fourth proportional to 45,433.90, 68,153.59 and 14,269.15 is: 21,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.90 : 68,153.59 = 14,269.15 : x
  2. Step 2: Convert to fraction form
    45,433.90/68,153.59 = 14,269.15/x
  3. Step 3: Cross multiply
    45,433.90x = 68,153.59 × 14,269.15
  4. Step 4: Simplify right side
    45,433.90x = 972,493,821.51
  5. Step 5: Solve for x
    x = 972,493,821.51/45,433.90
  6. Step 6: Final answer
    x = 21,404.59

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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.