Home / 30,631.14-45,917.55-9,840.06

Finding the Fourth Proportional to 30,631.14, 45,917.55 and 9,840.06

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Solution

The fourth proportional to 30,631.14, 45,917.55 and 9,840.06 is: 14,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.14 : 45,917.55 = 9,840.06 : x
  2. Step 2: Convert to fraction form
    30,631.14/45,917.55 = 9,840.06/x
  3. Step 3: Cross multiply
    30,631.14x = 45,917.55 × 9,840.06
  4. Step 4: Simplify right side
    30,631.14x = 451,831,447.05
  5. Step 5: Solve for x
    x = 451,831,447.05/30,631.14
  6. Step 6: Final answer
    x = 14,750.72

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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.