Home / 53,831.62-74,287.08-29,631.78

Finding the Fourth Proportional to 53,831.62, 74,287.08 and 29,631.78

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Solution

The fourth proportional to 53,831.62, 74,287.08 and 29,631.78 is: 40,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.62 : 74,287.08 = 29,631.78 : x
  2. Step 2: Convert to fraction form
    53,831.62/74,287.08 = 29,631.78/x
  3. Step 3: Cross multiply
    53,831.62x = 74,287.08 × 29,631.78
  4. Step 4: Simplify right side
    53,831.62x = 2,201,258,411.40
  5. Step 5: Solve for x
    x = 2,201,258,411.40/53,831.62
  6. Step 6: Final answer
    x = 40,891.55

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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.