Home / 62,219.12-85,864.02-38,361.56

Finding the Fourth Proportional to 62,219.12, 85,864.02 and 38,361.56

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Solution

The fourth proportional to 62,219.12, 85,864.02 and 38,361.56 is: 52,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,219.12 : 85,864.02 = 38,361.56 : x
  2. Step 2: Convert to fraction form
    62,219.12/85,864.02 = 38,361.56/x
  3. Step 3: Cross multiply
    62,219.12x = 85,864.02 × 38,361.56
  4. Step 4: Simplify right side
    62,219.12x = 3,293,877,755.07
  5. Step 5: Solve for x
    x = 3,293,877,755.07/62,219.12
  6. Step 6: Final answer
    x = 52,939.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.