Home / 45,381.42-68,086-23,210.38

Finding the Fourth Proportional to 45,381.42, 68,086 and 23,210.38

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Solution

The fourth proportional to 45,381.42, 68,086 and 23,210.38 is: 34,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.42 : 68,086 = 23,210.38 : x
  2. Step 2: Convert to fraction form
    45,381.42/68,086 = 23,210.38/x
  3. Step 3: Cross multiply
    45,381.42x = 68,086 × 23,210.38
  4. Step 4: Simplify right side
    45,381.42x = 1,580,301,932.68
  5. Step 5: Solve for x
    x = 1,580,301,932.68/45,381.42
  6. Step 6: Final answer
    x = 34,822.66

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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.