Home / 36,980.57-51,020.72-21,053.75

Finding the Fourth Proportional to 36,980.57, 51,020.72 and 21,053.75

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Solution

The fourth proportional to 36,980.57, 51,020.72 and 21,053.75 is: 29,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.57 : 51,020.72 = 21,053.75 : x
  2. Step 2: Convert to fraction form
    36,980.57/51,020.72 = 21,053.75/x
  3. Step 3: Cross multiply
    36,980.57x = 51,020.72 × 21,053.75
  4. Step 4: Simplify right side
    36,980.57x = 1,074,177,281.23
  5. Step 5: Solve for x
    x = 1,074,177,281.23/36,980.57
  6. Step 6: Final answer
    x = 29,047.07

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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.