Home / 38,123.67-57,222.45-18,416.10

Finding the Fourth Proportional to 38,123.67, 57,222.45 and 18,416.10

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Solution

The fourth proportional to 38,123.67, 57,222.45 and 18,416.10 is: 27,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.67 : 57,222.45 = 18,416.10 : x
  2. Step 2: Convert to fraction form
    38,123.67/57,222.45 = 18,416.10/x
  3. Step 3: Cross multiply
    38,123.67x = 57,222.45 × 18,416.10
  4. Step 4: Simplify right side
    38,123.67x = 1,053,814,361.45
  5. Step 5: Solve for x
    x = 1,053,814,361.45/38,123.67
  6. Step 6: Final answer
    x = 27,642.00

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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.