Home / 43,290.45-64,933.25-11,700.05

Finding the Fourth Proportional to 43,290.45, 64,933.25 and 11,700.05

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Solution

The fourth proportional to 43,290.45, 64,933.25 and 11,700.05 is: 17,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.45 : 64,933.25 = 11,700.05 : x
  2. Step 2: Convert to fraction form
    43,290.45/64,933.25 = 11,700.05/x
  3. Step 3: Cross multiply
    43,290.45x = 64,933.25 × 11,700.05
  4. Step 4: Simplify right side
    43,290.45x = 759,721,888.50
  5. Step 5: Solve for x
    x = 759,721,888.50/43,290.45
  6. Step 6: Final answer
    x = 17,549.41

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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.