Home / 31,033.28-46,547.19-19,188.86

Finding the Fourth Proportional to 31,033.28, 46,547.19 and 19,188.86

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Solution

The fourth proportional to 31,033.28, 46,547.19 and 19,188.86 is: 28,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.28 : 46,547.19 = 19,188.86 : x
  2. Step 2: Convert to fraction form
    31,033.28/46,547.19 = 19,188.86/x
  3. Step 3: Cross multiply
    31,033.28x = 46,547.19 × 19,188.86
  4. Step 4: Simplify right side
    31,033.28x = 893,187,279.57
  5. Step 5: Solve for x
    x = 893,187,279.57/31,033.28
  6. Step 6: Final answer
    x = 28,781.59

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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.