Home / 39,229.48-58,831.74-12,929.32

Finding the Fourth Proportional to 39,229.48, 58,831.74 and 12,929.32

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Solution

The fourth proportional to 39,229.48, 58,831.74 and 12,929.32 is: 19,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.48 : 58,831.74 = 12,929.32 : x
  2. Step 2: Convert to fraction form
    39,229.48/58,831.74 = 12,929.32/x
  3. Step 3: Cross multiply
    39,229.48x = 58,831.74 × 12,929.32
  4. Step 4: Simplify right side
    39,229.48x = 760,654,392.62
  5. Step 5: Solve for x
    x = 760,654,392.62/39,229.48
  6. Step 6: Final answer
    x = 19,389.87

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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.