Home / 56,258.40-84,345.48-18,796.71

Finding the Fourth Proportional to 56,258.40, 84,345.48 and 18,796.71

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Solution

The fourth proportional to 56,258.40, 84,345.48 and 18,796.71 is: 28,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.40 : 84,345.48 = 18,796.71 : x
  2. Step 2: Convert to fraction form
    56,258.40/84,345.48 = 18,796.71/x
  3. Step 3: Cross multiply
    56,258.40x = 84,345.48 × 18,796.71
  4. Step 4: Simplify right side
    56,258.40x = 1,585,417,527.37
  5. Step 5: Solve for x
    x = 1,585,417,527.37/56,258.40
  6. Step 6: Final answer
    x = 28,180.99

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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.