Home / 53,741.84-74,163.42-29,870.72

Finding the Fourth Proportional to 53,741.84, 74,163.42 and 29,870.72

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Solution

The fourth proportional to 53,741.84, 74,163.42 and 29,870.72 is: 41,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741.84 : 74,163.42 = 29,870.72 : x
  2. Step 2: Convert to fraction form
    53,741.84/74,163.42 = 29,870.72/x
  3. Step 3: Cross multiply
    53,741.84x = 74,163.42 × 29,870.72
  4. Step 4: Simplify right side
    53,741.84x = 2,215,314,753.06
  5. Step 5: Solve for x
    x = 2,215,314,753.06/53,741.84
  6. Step 6: Final answer
    x = 41,221.42

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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.