Home / 53,738.28-74,157.05-29,539.33

Finding the Fourth Proportional to 53,738.28, 74,157.05 and 29,539.33

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Solution

The fourth proportional to 53,738.28, 74,157.05 and 29,539.33 is: 40,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.28 : 74,157.05 = 29,539.33 : x
  2. Step 2: Convert to fraction form
    53,738.28/74,157.05 = 29,539.33/x
  3. Step 3: Cross multiply
    53,738.28x = 74,157.05 × 29,539.33
  4. Step 4: Simplify right side
    53,738.28x = 2,190,549,200.99
  5. Step 5: Solve for x
    x = 2,190,549,200.99/53,738.28
  6. Step 6: Final answer
    x = 40,763.29

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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.