Home / 72,025.14-108,037.70-19,434.62

Finding the Fourth Proportional to 72,025.14, 108,037.70 and 19,434.62

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Solution

The fourth proportional to 72,025.14, 108,037.70 and 19,434.62 is: 29,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,025.14 : 108,037.70 = 19,434.62 : x
  2. Step 2: Convert to fraction form
    72,025.14/108,037.70 = 19,434.62/x
  3. Step 3: Cross multiply
    72,025.14x = 108,037.70 × 19,434.62
  4. Step 4: Simplify right side
    72,025.14x = 2,099,671,007.81
  5. Step 5: Solve for x
    x = 2,099,671,007.81/72,025.14
  6. Step 6: Final answer
    x = 29,151.92

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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.