Home / 30,572.31-45,846.85-12,804.15

Finding the Fourth Proportional to 30,572.31, 45,846.85 and 12,804.15

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Solution

The fourth proportional to 30,572.31, 45,846.85 and 12,804.15 is: 19,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.31 : 45,846.85 = 12,804.15 : x
  2. Step 2: Convert to fraction form
    30,572.31/45,846.85 = 12,804.15/x
  3. Step 3: Cross multiply
    30,572.31x = 45,846.85 × 12,804.15
  4. Step 4: Simplify right side
    30,572.31x = 587,029,944.43
  5. Step 5: Solve for x
    x = 587,029,944.43/30,572.31
  6. Step 6: Final answer
    x = 19,201.36

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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.