Home / 58,626.91-87,921.90-19,174.81

Finding the Fourth Proportional to 58,626.91, 87,921.90 and 19,174.81

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Solution

The fourth proportional to 58,626.91, 87,921.90 and 19,174.81 is: 28,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,626.91 : 87,921.90 = 19,174.81 : x
  2. Step 2: Convert to fraction form
    58,626.91/87,921.90 = 19,174.81/x
  3. Step 3: Cross multiply
    58,626.91x = 87,921.90 × 19,174.81
  4. Step 4: Simplify right side
    58,626.91x = 1,685,885,727.34
  5. Step 5: Solve for x
    x = 1,685,885,727.34/58,626.91
  6. Step 6: Final answer
    x = 28,756.18

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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.