Home / 56,186.39-84,282.82-21,126.35

Finding the Fourth Proportional to 56,186.39, 84,282.82 and 21,126.35

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Solution

The fourth proportional to 56,186.39, 84,282.82 and 21,126.35 is: 31,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,186.39 : 84,282.82 = 21,126.35 : x
  2. Step 2: Convert to fraction form
    56,186.39/84,282.82 = 21,126.35/x
  3. Step 3: Cross multiply
    56,186.39x = 84,282.82 × 21,126.35
  4. Step 4: Simplify right side
    56,186.39x = 1,780,588,275.36
  5. Step 5: Solve for x
    x = 1,780,588,275.36/56,186.39
  6. Step 6: Final answer
    x = 31,690.74

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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.