Home / 36,710.81-50,656.64-21,600.15

Finding the Fourth Proportional to 36,710.81, 50,656.64 and 21,600.15

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Solution

The fourth proportional to 36,710.81, 50,656.64 and 21,600.15 is: 29,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,710.81 : 50,656.64 = 21,600.15 : x
  2. Step 2: Convert to fraction form
    36,710.81/50,656.64 = 21,600.15/x
  3. Step 3: Cross multiply
    36,710.81x = 50,656.64 × 21,600.15
  4. Step 4: Simplify right side
    36,710.81x = 1,094,190,914.50
  5. Step 5: Solve for x
    x = 1,094,190,914.50/36,710.81
  6. Step 6: Final answer
    x = 29,805.69

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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.