Home / 42,775.49-64,163.00-11,610.74

Finding the Fourth Proportional to 42,775.49, 64,163.00 and 11,610.74

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Solution

The fourth proportional to 42,775.49, 64,163.00 and 11,610.74 is: 17,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775.49 : 64,163.00 = 11,610.74 : x
  2. Step 2: Convert to fraction form
    42,775.49/64,163.00 = 11,610.74/x
  3. Step 3: Cross multiply
    42,775.49x = 64,163.00 × 11,610.74
  4. Step 4: Simplify right side
    42,775.49x = 744,980,100.05
  5. Step 5: Solve for x
    x = 744,980,100.05/42,775.49
  6. Step 6: Final answer
    x = 17,416.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.