Home / 53,738.16-74,158.38-29,539.68

Finding the Fourth Proportional to 53,738.16, 74,158.38 and 29,539.68

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Solution

The fourth proportional to 53,738.16, 74,158.38 and 29,539.68 is: 40,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.16 : 74,158.38 = 29,539.68 : x
  2. Step 2: Convert to fraction form
    53,738.16/74,158.38 = 29,539.68/x
  3. Step 3: Cross multiply
    53,738.16x = 74,158.38 × 29,539.68
  4. Step 4: Simplify right side
    53,738.16x = 2,190,614,814.52
  5. Step 5: Solve for x
    x = 2,190,614,814.52/53,738.16
  6. Step 6: Final answer
    x = 40,764.60

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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.