Home / 50,701.16-76,064.70-21,109.16

Finding the Fourth Proportional to 50,701.16, 76,064.70 and 21,109.16

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Solution

The fourth proportional to 50,701.16, 76,064.70 and 21,109.16 is: 31,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.16 : 76,064.70 = 21,109.16 : x
  2. Step 2: Convert to fraction form
    50,701.16/76,064.70 = 21,109.16/x
  3. Step 3: Cross multiply
    50,701.16x = 76,064.70 × 21,109.16
  4. Step 4: Simplify right side
    50,701.16x = 1,605,661,922.65
  5. Step 5: Solve for x
    x = 1,605,661,922.65/50,701.16
  6. Step 6: Final answer
    x = 31,669.14

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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.