Home / 53,785.31-74,223.80-29,911.98

Finding the Fourth Proportional to 53,785.31, 74,223.80 and 29,911.98

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Solution

The fourth proportional to 53,785.31, 74,223.80 and 29,911.98 is: 41,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.31 : 74,223.80 = 29,911.98 : x
  2. Step 2: Convert to fraction form
    53,785.31/74,223.80 = 29,911.98/x
  3. Step 3: Cross multiply
    53,785.31x = 74,223.80 × 29,911.98
  4. Step 4: Simplify right side
    53,785.31x = 2,220,180,821.12
  5. Step 5: Solve for x
    x = 2,220,180,821.12/53,785.31
  6. Step 6: Final answer
    x = 41,278.57

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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.