Home / 64,770.69-89,382.21-36,090.24

Finding the Fourth Proportional to 64,770.69, 89,382.21 and 36,090.24

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Solution

The fourth proportional to 64,770.69, 89,382.21 and 36,090.24 is: 49,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.69 : 89,382.21 = 36,090.24 : x
  2. Step 2: Convert to fraction form
    64,770.69/89,382.21 = 36,090.24/x
  3. Step 3: Cross multiply
    64,770.69x = 89,382.21 × 36,090.24
  4. Step 4: Simplify right side
    64,770.69x = 3,225,825,410.63
  5. Step 5: Solve for x
    x = 3,225,825,410.63/64,770.69
  6. Step 6: Final answer
    x = 49,803.78

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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.