Home / 43,185.23-64,786.55-18,225.31

Finding the Fourth Proportional to 43,185.23, 64,786.55 and 18,225.31

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Solution

The fourth proportional to 43,185.23, 64,786.55 and 18,225.31 is: 27,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,185.23 : 64,786.55 = 18,225.31 : x
  2. Step 2: Convert to fraction form
    43,185.23/64,786.55 = 18,225.31/x
  3. Step 3: Cross multiply
    43,185.23x = 64,786.55 × 18,225.31
  4. Step 4: Simplify right side
    43,185.23x = 1,180,754,679.21
  5. Step 5: Solve for x
    x = 1,180,754,679.21/43,185.23
  6. Step 6: Final answer
    x = 27,341.63

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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.