Home / 49,741.52-74,609.76-18,574.40

Finding the Fourth Proportional to 49,741.52, 74,609.76 and 18,574.40

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Solution

The fourth proportional to 49,741.52, 74,609.76 and 18,574.40 is: 27,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,741.52 : 74,609.76 = 18,574.40 : x
  2. Step 2: Convert to fraction form
    49,741.52/74,609.76 = 18,574.40/x
  3. Step 3: Cross multiply
    49,741.52x = 74,609.76 × 18,574.40
  4. Step 4: Simplify right side
    49,741.52x = 1,385,831,526.14
  5. Step 5: Solve for x
    x = 1,385,831,526.14/49,741.52
  6. Step 6: Final answer
    x = 27,860.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.