Home / 31,479.63-43,442.46-17,332.44

Finding the Fourth Proportional to 31,479.63, 43,442.46 and 17,332.44

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Solution

The fourth proportional to 31,479.63, 43,442.46 and 17,332.44 is: 23,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.63 : 43,442.46 = 17,332.44 : x
  2. Step 2: Convert to fraction form
    31,479.63/43,442.46 = 17,332.44/x
  3. Step 3: Cross multiply
    31,479.63x = 43,442.46 × 17,332.44
  4. Step 4: Simplify right side
    31,479.63x = 752,963,831.40
  5. Step 5: Solve for x
    x = 752,963,831.40/31,479.63
  6. Step 6: Final answer
    x = 23,919.08

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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.