Home / 53,821.12-74,266.56-29,944.64

Finding the Fourth Proportional to 53,821.12, 74,266.56 and 29,944.64

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Solution

The fourth proportional to 53,821.12, 74,266.56 and 29,944.64 is: 41,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.12 : 74,266.56 = 29,944.64 : x
  2. Step 2: Convert to fraction form
    53,821.12/74,266.56 = 29,944.64/x
  3. Step 3: Cross multiply
    53,821.12x = 74,266.56 × 29,944.64
  4. Step 4: Simplify right side
    53,821.12x = 2,223,885,403.24
  5. Step 5: Solve for x
    x = 2,223,885,403.24/53,821.12
  6. Step 6: Final answer
    x = 41,319.94

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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.