Home / 42,950.08-64,423.92-11,785.36

Finding the Fourth Proportional to 42,950.08, 64,423.92 and 11,785.36

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Solution

The fourth proportional to 42,950.08, 64,423.92 and 11,785.36 is: 17,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950.08 : 64,423.92 = 11,785.36 : x
  2. Step 2: Convert to fraction form
    42,950.08/64,423.92 = 11,785.36/x
  3. Step 3: Cross multiply
    42,950.08x = 64,423.92 × 11,785.36
  4. Step 4: Simplify right side
    42,950.08x = 759,259,089.81
  5. Step 5: Solve for x
    x = 759,259,089.81/42,950.08
  6. Step 6: Final answer
    x = 17,677.71

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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.