Home / 64,780.26-89,396.37-36,495.06

Finding the Fourth Proportional to 64,780.26, 89,396.37 and 36,495.06

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Solution

The fourth proportional to 64,780.26, 89,396.37 and 36,495.06 is: 50,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,780.26 : 89,396.37 = 36,495.06 : x
  2. Step 2: Convert to fraction form
    64,780.26/89,396.37 = 36,495.06/x
  3. Step 3: Cross multiply
    64,780.26x = 89,396.37 × 36,495.06
  4. Step 4: Simplify right side
    64,780.26x = 3,262,525,886.93
  5. Step 5: Solve for x
    x = 3,262,525,886.93/64,780.26
  6. Step 6: Final answer
    x = 50,362.96

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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.