Home / 58,174.49-87,240.19-20,724.62

Finding the Fourth Proportional to 58,174.49, 87,240.19 and 20,724.62

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Solution

The fourth proportional to 58,174.49, 87,240.19 and 20,724.62 is: 31,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.49 : 87,240.19 = 20,724.62 : x
  2. Step 2: Convert to fraction form
    58,174.49/87,240.19 = 20,724.62/x
  3. Step 3: Cross multiply
    58,174.49x = 87,240.19 × 20,724.62
  4. Step 4: Simplify right side
    58,174.49x = 1,808,019,298.47
  5. Step 5: Solve for x
    x = 1,808,019,298.47/58,174.49
  6. Step 6: Final answer
    x = 31,079.24

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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.