Home / 64,961.72-89,647.18-36,669.23

Finding the Fourth Proportional to 64,961.72, 89,647.18 and 36,669.23

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Solution

The fourth proportional to 64,961.72, 89,647.18 and 36,669.23 is: 50,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961.72 : 89,647.18 = 36,669.23 : x
  2. Step 2: Convert to fraction form
    64,961.72/89,647.18 = 36,669.23/x
  3. Step 3: Cross multiply
    64,961.72x = 89,647.18 × 36,669.23
  4. Step 4: Simplify right side
    64,961.72x = 3,287,293,194.72
  5. Step 5: Solve for x
    x = 3,287,293,194.72/64,961.72
  6. Step 6: Final answer
    x = 50,603.54

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1.5x scale

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.