Home / 31,009.16-46,513.77-11,287.88

Finding the Fourth Proportional to 31,009.16, 46,513.77 and 11,287.88

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Solution

The fourth proportional to 31,009.16, 46,513.77 and 11,287.88 is: 16,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.16 : 46,513.77 = 11,287.88 : x
  2. Step 2: Convert to fraction form
    31,009.16/46,513.77 = 11,287.88/x
  3. Step 3: Cross multiply
    31,009.16x = 46,513.77 × 11,287.88
  4. Step 4: Simplify right side
    31,009.16x = 525,041,854.11
  5. Step 5: Solve for x
    x = 525,041,854.11/31,009.16
  6. Step 6: Final answer
    x = 16,931.83

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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.