Home / 53,640.46-74,024.64-29,768.68

Finding the Fourth Proportional to 53,640.46, 74,024.64 and 29,768.68

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Solution

The fourth proportional to 53,640.46, 74,024.64 and 29,768.68 is: 41,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.46 : 74,024.64 = 29,768.68 : x
  2. Step 2: Convert to fraction form
    53,640.46/74,024.64 = 29,768.68/x
  3. Step 3: Cross multiply
    53,640.46x = 74,024.64 × 29,768.68
  4. Step 4: Simplify right side
    53,640.46x = 2,203,615,820.28
  5. Step 5: Solve for x
    x = 2,203,615,820.28/53,640.46
  6. Step 6: Final answer
    x = 41,081.23

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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.