Home / 64,389.89-88,858.26-36,093.75

Finding the Fourth Proportional to 64,389.89, 88,858.26 and 36,093.75

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Solution

The fourth proportional to 64,389.89, 88,858.26 and 36,093.75 is: 49,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.89 : 88,858.26 = 36,093.75 : x
  2. Step 2: Convert to fraction form
    64,389.89/88,858.26 = 36,093.75/x
  3. Step 3: Cross multiply
    64,389.89x = 88,858.26 × 36,093.75
  4. Step 4: Simplify right side
    64,389.89x = 3,207,227,821.88
  5. Step 5: Solve for x
    x = 3,207,227,821.88/64,389.89
  6. Step 6: Final answer
    x = 49,809.50

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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.