Home / 56,258.10-84,395.34-20,736.42

Finding the Fourth Proportional to 56,258.10, 84,395.34 and 20,736.42

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Solution

The fourth proportional to 56,258.10, 84,395.34 and 20,736.42 is: 31,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.10 : 84,395.34 = 20,736.42 : x
  2. Step 2: Convert to fraction form
    56,258.10/84,395.34 = 20,736.42/x
  3. Step 3: Cross multiply
    56,258.10x = 84,395.34 × 20,736.42
  4. Step 4: Simplify right side
    56,258.10x = 1,750,057,216.28
  5. Step 5: Solve for x
    x = 1,750,057,216.28/56,258.10
  6. Step 6: Final answer
    x = 31,107.65

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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.