Home / 61,408.08-84,743.28-36,259.20

Finding the Fourth Proportional to 61,408.08, 84,743.28 and 36,259.20

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Solution

The fourth proportional to 61,408.08, 84,743.28 and 36,259.20 is: 50,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,408.08 : 84,743.28 = 36,259.20 : x
  2. Step 2: Convert to fraction form
    61,408.08/84,743.28 = 36,259.20/x
  3. Step 3: Cross multiply
    61,408.08x = 84,743.28 × 36,259.20
  4. Step 4: Simplify right side
    61,408.08x = 3,072,723,538.18
  5. Step 5: Solve for x
    x = 3,072,723,538.18/61,408.08
  6. Step 6: Final answer
    x = 50,037.77

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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.