Home / 38,820.54-58,238.22-12,518.22

Finding the Fourth Proportional to 38,820.54, 58,238.22 and 12,518.22

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Solution

The fourth proportional to 38,820.54, 58,238.22 and 12,518.22 is: 18,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.54 : 58,238.22 = 12,518.22 : x
  2. Step 2: Convert to fraction form
    38,820.54/58,238.22 = 12,518.22/x
  3. Step 3: Cross multiply
    38,820.54x = 58,238.22 × 12,518.22
  4. Step 4: Simplify right side
    38,820.54x = 729,038,850.37
  5. Step 5: Solve for x
    x = 729,038,850.37/38,820.54
  6. Step 6: Final answer
    x = 18,779.72

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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.