Home / 41,730.79-57,557.08-28,983.99

Finding the Fourth Proportional to 41,730.79, 57,557.08 and 28,983.99

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Solution

The fourth proportional to 41,730.79, 57,557.08 and 28,983.99 is: 39,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,730.79 : 57,557.08 = 28,983.99 : x
  2. Step 2: Convert to fraction form
    41,730.79/57,557.08 = 28,983.99/x
  3. Step 3: Cross multiply
    41,730.79x = 57,557.08 × 28,983.99
  4. Step 4: Simplify right side
    41,730.79x = 1,668,233,831.15
  5. Step 5: Solve for x
    x = 1,668,233,831.15/41,730.79
  6. Step 6: Final answer
    x = 39,976.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.