Home / 45,420.16-62,614.86-31,949.60

Finding the Fourth Proportional to 45,420.16, 62,614.86 and 31,949.60

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Solution

The fourth proportional to 45,420.16, 62,614.86 and 31,949.60 is: 44,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.16 : 62,614.86 = 31,949.60 : x
  2. Step 2: Convert to fraction form
    45,420.16/62,614.86 = 31,949.60/x
  3. Step 3: Cross multiply
    45,420.16x = 62,614.86 × 31,949.60
  4. Step 4: Simplify right side
    45,420.16x = 2,000,519,731.06
  5. Step 5: Solve for x
    x = 2,000,519,731.06/45,420.16
  6. Step 6: Final answer
    x = 44,044.75

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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.