Home / 56,192.05-84,300.39-21,131.69

Finding the Fourth Proportional to 56,192.05, 84,300.39 and 21,131.69

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Solution

The fourth proportional to 56,192.05, 84,300.39 and 21,131.69 is: 31,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,192.05 : 84,300.39 = 21,131.69 : x
  2. Step 2: Convert to fraction form
    56,192.05/84,300.39 = 21,131.69/x
  3. Step 3: Cross multiply
    56,192.05x = 84,300.39 × 21,131.69
  4. Step 4: Simplify right side
    56,192.05x = 1,781,409,919.11
  5. Step 5: Solve for x
    x = 1,781,409,919.11/56,192.05
  6. Step 6: Final answer
    x = 31,702.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.