Home / 49,138.60-73,681.74-19,541.16

Finding the Fourth Proportional to 49,138.60, 73,681.74 and 19,541.16

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Solution

The fourth proportional to 49,138.60, 73,681.74 and 19,541.16 is: 29,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.60 : 73,681.74 = 19,541.16 : x
  2. Step 2: Convert to fraction form
    49,138.60/73,681.74 = 19,541.16/x
  3. Step 3: Cross multiply
    49,138.60x = 73,681.74 × 19,541.16
  4. Step 4: Simplify right side
    49,138.60x = 1,439,826,670.42
  5. Step 5: Solve for x
    x = 1,439,826,670.42/49,138.60
  6. Step 6: Final answer
    x = 29,301.34

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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.