Home / 47,831.04-65,979.36-29,894.91

Finding the Fourth Proportional to 47,831.04, 65,979.36 and 29,894.91

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Solution

The fourth proportional to 47,831.04, 65,979.36 and 29,894.91 is: 41,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.04 : 65,979.36 = 29,894.91 : x
  2. Step 2: Convert to fraction form
    47,831.04/65,979.36 = 29,894.91/x
  3. Step 3: Cross multiply
    47,831.04x = 65,979.36 × 29,894.91
  4. Step 4: Simplify right side
    47,831.04x = 1,972,446,781.64
  5. Step 5: Solve for x
    x = 1,972,446,781.64/47,831.04
  6. Step 6: Final answer
    x = 41,237.80

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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.