Home / 36,979.67-51,035.52-21,877.19

Finding the Fourth Proportional to 36,979.67, 51,035.52 and 21,877.19

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Solution

The fourth proportional to 36,979.67, 51,035.52 and 21,877.19 is: 30,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.67 : 51,035.52 = 21,877.19 : x
  2. Step 2: Convert to fraction form
    36,979.67/51,035.52 = 21,877.19/x
  3. Step 3: Cross multiply
    36,979.67x = 51,035.52 × 21,877.19
  4. Step 4: Simplify right side
    36,979.67x = 1,116,513,403.23
  5. Step 5: Solve for x
    x = 1,116,513,403.23/36,979.67
  6. Step 6: Final answer
    x = 30,192.63

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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.