Home / 20,038.16-30,058.32-8,352.56

Finding the Fourth Proportional to 20,038.16, 30,058.32 and 8,352.56

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Solution

The fourth proportional to 20,038.16, 30,058.32 and 8,352.56 is: 12,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.16 : 30,058.32 = 8,352.56 : x
  2. Step 2: Convert to fraction form
    20,038.16/30,058.32 = 8,352.56/x
  3. Step 3: Cross multiply
    20,038.16x = 30,058.32 × 8,352.56
  4. Step 4: Simplify right side
    20,038.16x = 251,063,921.30
  5. Step 5: Solve for x
    x = 251,063,921.30/20,038.16
  6. Step 6: Final answer
    x = 12,529.29

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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.