Home / 56,107.08-84,135.98-21,022.13

Finding the Fourth Proportional to 56,107.08, 84,135.98 and 21,022.13

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Solution

The fourth proportional to 56,107.08, 84,135.98 and 21,022.13 is: 31,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.08 : 84,135.98 = 21,022.13 : x
  2. Step 2: Convert to fraction form
    56,107.08/84,135.98 = 21,022.13/x
  3. Step 3: Cross multiply
    56,107.08x = 84,135.98 × 21,022.13
  4. Step 4: Simplify right side
    56,107.08x = 1,768,717,772.13
  5. Step 5: Solve for x
    x = 1,768,717,772.13/56,107.08
  6. Step 6: Final answer
    x = 31,523.97

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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.