Home / 53,649.23-74,034.43-29,450.18

Finding the Fourth Proportional to 53,649.23, 74,034.43 and 29,450.18

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Solution

The fourth proportional to 53,649.23, 74,034.43 and 29,450.18 is: 40,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.23 : 74,034.43 = 29,450.18 : x
  2. Step 2: Convert to fraction form
    53,649.23/74,034.43 = 29,450.18/x
  3. Step 3: Cross multiply
    53,649.23x = 74,034.43 × 29,450.18
  4. Step 4: Simplify right side
    53,649.23x = 2,180,327,401.16
  5. Step 5: Solve for x
    x = 2,180,327,401.16/53,649.23
  6. Step 6: Final answer
    x = 40,640.43

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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.