Home / 43,041.66-64,587.54-18,079.80

Finding the Fourth Proportional to 43,041.66, 64,587.54 and 18,079.80

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Solution

The fourth proportional to 43,041.66, 64,587.54 and 18,079.80 is: 27,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.66 : 64,587.54 = 18,079.80 : x
  2. Step 2: Convert to fraction form
    43,041.66/64,587.54 = 18,079.80/x
  3. Step 3: Cross multiply
    43,041.66x = 64,587.54 × 18,079.80
  4. Step 4: Simplify right side
    43,041.66x = 1,167,729,805.69
  5. Step 5: Solve for x
    x = 1,167,729,805.69/43,041.66
  6. Step 6: Final answer
    x = 27,130.22

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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.