Home / 38,089.60-57,099.40-13,123.71

Finding the Fourth Proportional to 38,089.60, 57,099.40 and 13,123.71

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Solution

The fourth proportional to 38,089.60, 57,099.40 and 13,123.71 is: 19,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.60 : 57,099.40 = 13,123.71 : x
  2. Step 2: Convert to fraction form
    38,089.60/57,099.40 = 13,123.71/x
  3. Step 3: Cross multiply
    38,089.60x = 57,099.40 × 13,123.71
  4. Step 4: Simplify right side
    38,089.60x = 749,355,933.96
  5. Step 5: Solve for x
    x = 749,355,933.96/38,089.60
  6. Step 6: Final answer
    x = 19,673.51

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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.