Home / 31,008.66-46,513.02-11,287.38

Finding the Fourth Proportional to 31,008.66, 46,513.02 and 11,287.38

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Solution

The fourth proportional to 31,008.66, 46,513.02 and 11,287.38 is: 16,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008.66 : 46,513.02 = 11,287.38 : x
  2. Step 2: Convert to fraction form
    31,008.66/46,513.02 = 11,287.38/x
  3. Step 3: Cross multiply
    31,008.66x = 46,513.02 × 11,287.38
  4. Step 4: Simplify right side
    31,008.66x = 525,010,131.69
  5. Step 5: Solve for x
    x = 525,010,131.69/31,008.66
  6. Step 6: Final answer
    x = 16,931.08

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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.