Home / 53,818.08-74,241.12-31,449.12

Finding the Fourth Proportional to 53,818.08, 74,241.12 and 31,449.12

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Solution

The fourth proportional to 53,818.08, 74,241.12 and 31,449.12 is: 43,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.08 : 74,241.12 = 31,449.12 : x
  2. Step 2: Convert to fraction form
    53,818.08/74,241.12 = 31,449.12/x
  3. Step 3: Cross multiply
    53,818.08x = 74,241.12 × 31,449.12
  4. Step 4: Simplify right side
    53,818.08x = 2,334,817,891.81
  5. Step 5: Solve for x
    x = 2,334,817,891.81/53,818.08
  6. Step 6: Final answer
    x = 43,383.52

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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.