Home / 56,164.20-84,258.18-21,104.16

Finding the Fourth Proportional to 56,164.20, 84,258.18 and 21,104.16

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Solution

The fourth proportional to 56,164.20, 84,258.18 and 21,104.16 is: 31,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.20 : 84,258.18 = 21,104.16 : x
  2. Step 2: Convert to fraction form
    56,164.20/84,258.18 = 21,104.16/x
  3. Step 3: Cross multiply
    56,164.20x = 84,258.18 × 21,104.16
  4. Step 4: Simplify right side
    56,164.20x = 1,778,198,112.03
  5. Step 5: Solve for x
    x = 1,778,198,112.03/56,164.20
  6. Step 6: Final answer
    x = 31,660.70

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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.