Home / 31,646.78-47,428.64-23,287.65

Finding the Fourth Proportional to 31,646.78, 47,428.64 and 23,287.65

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Solution

The fourth proportional to 31,646.78, 47,428.64 and 23,287.65 is: 34,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.78 : 47,428.64 = 23,287.65 : x
  2. Step 2: Convert to fraction form
    31,646.78/47,428.64 = 23,287.65/x
  3. Step 3: Cross multiply
    31,646.78x = 47,428.64 × 23,287.65
  4. Step 4: Simplify right side
    31,646.78x = 1,104,501,451.86
  5. Step 5: Solve for x
    x = 1,104,501,451.86/31,646.78
  6. Step 6: Final answer
    x = 34,900.92

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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.