Home / 30,546.96-45,807.45-13,917.56

Finding the Fourth Proportional to 30,546.96, 45,807.45 and 13,917.56

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Solution

The fourth proportional to 30,546.96, 45,807.45 and 13,917.56 is: 20,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.96 : 45,807.45 = 13,917.56 : x
  2. Step 2: Convert to fraction form
    30,546.96/45,807.45 = 13,917.56/x
  3. Step 3: Cross multiply
    30,546.96x = 45,807.45 × 13,917.56
  4. Step 4: Simplify right side
    30,546.96x = 637,527,840.95
  5. Step 5: Solve for x
    x = 637,527,840.95/30,546.96
  6. Step 6: Final answer
    x = 20,870.42

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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.