Home / 49,147.04-73,720.64-21,064.90

Finding the Fourth Proportional to 49,147.04, 73,720.64 and 21,064.90

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Solution

The fourth proportional to 49,147.04, 73,720.64 and 21,064.90 is: 31,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147.04 : 73,720.64 = 21,064.90 : x
  2. Step 2: Convert to fraction form
    49,147.04/73,720.64 = 21,064.90/x
  3. Step 3: Cross multiply
    49,147.04x = 73,720.64 × 21,064.90
  4. Step 4: Simplify right side
    49,147.04x = 1,552,917,435.61
  5. Step 5: Solve for x
    x = 1,552,917,435.61/49,147.04
  6. Step 6: Final answer
    x = 31,597.38

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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.