Home / 45,972.30-63,420.93-28,964.73

Finding the Fourth Proportional to 45,972.30, 63,420.93 and 28,964.73

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Solution

The fourth proportional to 45,972.30, 63,420.93 and 28,964.73 is: 39,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972.30 : 63,420.93 = 28,964.73 : x
  2. Step 2: Convert to fraction form
    45,972.30/63,420.93 = 28,964.73/x
  3. Step 3: Cross multiply
    45,972.30x = 63,420.93 × 28,964.73
  4. Step 4: Simplify right side
    45,972.30x = 1,836,970,113.80
  5. Step 5: Solve for x
    x = 1,836,970,113.80/45,972.30
  6. Step 6: Final answer
    x = 39,958.19

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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.