Home / 53,830.82-74,283.36-31,168.20

Finding the Fourth Proportional to 53,830.82, 74,283.36 and 31,168.20

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Solution

The fourth proportional to 53,830.82, 74,283.36 and 31,168.20 is: 43,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.82 : 74,283.36 = 31,168.20 : x
  2. Step 2: Convert to fraction form
    53,830.82/74,283.36 = 31,168.20/x
  3. Step 3: Cross multiply
    53,830.82x = 74,283.36 × 31,168.20
  4. Step 4: Simplify right side
    53,830.82x = 2,315,278,621.15
  5. Step 5: Solve for x
    x = 2,315,278,621.15/53,830.82
  6. Step 6: Final answer
    x = 43,010.28

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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.