Home / 43,340.46-65,018.73-13,750.30

Finding the Fourth Proportional to 43,340.46, 65,018.73 and 13,750.30

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Solution

The fourth proportional to 43,340.46, 65,018.73 and 13,750.30 is: 20,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.46 : 65,018.73 = 13,750.30 : x
  2. Step 2: Convert to fraction form
    43,340.46/65,018.73 = 13,750.30/x
  3. Step 3: Cross multiply
    43,340.46x = 65,018.73 × 13,750.30
  4. Step 4: Simplify right side
    43,340.46x = 894,027,043.12
  5. Step 5: Solve for x
    x = 894,027,043.12/43,340.46
  6. Step 6: Final answer
    x = 20,628.00

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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.