Home / 58,020.77-87,015.39-15,890.69

Finding the Fourth Proportional to 58,020.77, 87,015.39 and 15,890.69

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Solution

The fourth proportional to 58,020.77, 87,015.39 and 15,890.69 is: 23,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,020.77 : 87,015.39 = 15,890.69 : x
  2. Step 2: Convert to fraction form
    58,020.77/87,015.39 = 15,890.69/x
  3. Step 3: Cross multiply
    58,020.77x = 87,015.39 × 15,890.69
  4. Step 4: Simplify right side
    58,020.77x = 1,382,734,662.54
  5. Step 5: Solve for x
    x = 1,382,734,662.54/58,020.77
  6. Step 6: Final answer
    x = 23,831.72

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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.