Home / 56,259.39-84,408.54-21,209.07

Finding the Fourth Proportional to 56,259.39, 84,408.54 and 21,209.07

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Solution

The fourth proportional to 56,259.39, 84,408.54 and 21,209.07 is: 31,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.39 : 84,408.54 = 21,209.07 : x
  2. Step 2: Convert to fraction form
    56,259.39/84,408.54 = 21,209.07/x
  3. Step 3: Cross multiply
    56,259.39x = 84,408.54 × 21,209.07
  4. Step 4: Simplify right side
    56,259.39x = 1,790,226,633.46
  5. Step 5: Solve for x
    x = 1,790,226,633.46/56,259.39
  6. Step 6: Final answer
    x = 31,820.94

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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.