Home / 36,715.61-50,665.77-20,800.13

Finding the Fourth Proportional to 36,715.61, 50,665.77 and 20,800.13

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Solution

The fourth proportional to 36,715.61, 50,665.77 and 20,800.13 is: 28,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.61 : 50,665.77 = 20,800.13 : x
  2. Step 2: Convert to fraction form
    36,715.61/50,665.77 = 20,800.13/x
  3. Step 3: Cross multiply
    36,715.61x = 50,665.77 × 20,800.13
  4. Step 4: Simplify right side
    36,715.61x = 1,053,854,349.22
  5. Step 5: Solve for x
    x = 1,053,854,349.22/36,715.61
  6. Step 6: Final answer
    x = 28,703.17

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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.