Home / 49,113.43-73,608.46-21,000.45

Finding the Fourth Proportional to 49,113.43, 73,608.46 and 21,000.45

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Solution

The fourth proportional to 49,113.43, 73,608.46 and 21,000.45 is: 31,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.43 : 73,608.46 = 21,000.45 : x
  2. Step 2: Convert to fraction form
    49,113.43/73,608.46 = 21,000.45/x
  3. Step 3: Cross multiply
    49,113.43x = 73,608.46 × 21,000.45
  4. Step 4: Simplify right side
    49,113.43x = 1,545,810,783.81
  5. Step 5: Solve for x
    x = 1,545,810,783.81/49,113.43
  6. Step 6: Final answer
    x = 31,474.30

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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.