Home / 43,223.13-64,860.21-18,261.57

Finding the Fourth Proportional to 43,223.13, 64,860.21 and 18,261.57

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Solution

The fourth proportional to 43,223.13, 64,860.21 and 18,261.57 is: 27,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,223.13 : 64,860.21 = 18,261.57 : x
  2. Step 2: Convert to fraction form
    43,223.13/64,860.21 = 18,261.57/x
  3. Step 3: Cross multiply
    43,223.13x = 64,860.21 × 18,261.57
  4. Step 4: Simplify right side
    43,223.13x = 1,184,448,940.83
  5. Step 5: Solve for x
    x = 1,184,448,940.83/43,223.13
  6. Step 6: Final answer
    x = 27,403.13

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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.