Home / 30,721.16-46,045.77-11,733.35

Finding the Fourth Proportional to 30,721.16, 46,045.77 and 11,733.35

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Solution

The fourth proportional to 30,721.16, 46,045.77 and 11,733.35 is: 17,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.16 : 46,045.77 = 11,733.35 : x
  2. Step 2: Convert to fraction form
    30,721.16/46,045.77 = 11,733.35/x
  3. Step 3: Cross multiply
    30,721.16x = 46,045.77 × 11,733.35
  4. Step 4: Simplify right side
    30,721.16x = 540,270,905.20
  5. Step 5: Solve for x
    x = 540,270,905.20/30,721.16
  6. Step 6: Final answer
    x = 17,586.28

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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.