Home / 37,632.80-51,934.37-21,718.13

Finding the Fourth Proportional to 37,632.80, 51,934.37 and 21,718.13

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Solution

The fourth proportional to 37,632.80, 51,934.37 and 21,718.13 is: 29,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632.80 : 51,934.37 = 21,718.13 : x
  2. Step 2: Convert to fraction form
    37,632.80/51,934.37 = 21,718.13/x
  3. Step 3: Cross multiply
    37,632.80x = 51,934.37 × 21,718.13
  4. Step 4: Simplify right side
    37,632.80x = 1,127,917,030.87
  5. Step 5: Solve for x
    x = 1,127,917,030.87/37,632.80
  6. Step 6: Final answer
    x = 29,971.65

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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.