Home / 56,945.64-85,418.30-15,392.64

Finding the Fourth Proportional to 56,945.64, 85,418.30 and 15,392.64

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Solution

The fourth proportional to 56,945.64, 85,418.30 and 15,392.64 is: 23,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,945.64 : 85,418.30 = 15,392.64 : x
  2. Step 2: Convert to fraction form
    56,945.64/85,418.30 = 15,392.64/x
  3. Step 3: Cross multiply
    56,945.64x = 85,418.30 × 15,392.64
  4. Step 4: Simplify right side
    56,945.64x = 1,314,813,141.31
  5. Step 5: Solve for x
    x = 1,314,813,141.31/56,945.64
  6. Step 6: Final answer
    x = 23,088.92

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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.