Home / 29,587.36-40,820.74-19,520.80

Finding the Fourth Proportional to 29,587.36, 40,820.74 and 19,520.80

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Solution

The fourth proportional to 29,587.36, 40,820.74 and 19,520.80 is: 26,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,587.36 : 40,820.74 = 19,520.80 : x
  2. Step 2: Convert to fraction form
    29,587.36/40,820.74 = 19,520.80/x
  3. Step 3: Cross multiply
    29,587.36x = 40,820.74 × 19,520.80
  4. Step 4: Simplify right side
    29,587.36x = 796,853,501.39
  5. Step 5: Solve for x
    x = 796,853,501.39/29,587.36
  6. Step 6: Final answer
    x = 26,932.23

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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.