Home / 38,721.84-53,466.24-29,755.20

Finding the Fourth Proportional to 38,721.84, 53,466.24 and 29,755.20

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Solution

The fourth proportional to 38,721.84, 53,466.24 and 29,755.20 is: 41,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.84 : 53,466.24 = 29,755.20 : x
  2. Step 2: Convert to fraction form
    38,721.84/53,466.24 = 29,755.20/x
  3. Step 3: Cross multiply
    38,721.84x = 53,466.24 × 29,755.20
  4. Step 4: Simplify right side
    38,721.84x = 1,590,898,664.45
  5. Step 5: Solve for x
    x = 1,590,898,664.45/38,721.84
  6. Step 6: Final answer
    x = 41,085.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.