Home / 30,443.40-45,664.46-14,027.40

Finding the Fourth Proportional to 30,443.40, 45,664.46 and 14,027.40

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Solution

The fourth proportional to 30,443.40, 45,664.46 and 14,027.40 is: 21,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.40 : 45,664.46 = 14,027.40 : x
  2. Step 2: Convert to fraction form
    30,443.40/45,664.46 = 14,027.40/x
  3. Step 3: Cross multiply
    30,443.40x = 45,664.46 × 14,027.40
  4. Step 4: Simplify right side
    30,443.40x = 640,553,646.20
  5. Step 5: Solve for x
    x = 640,553,646.20/30,443.40
  6. Step 6: Final answer
    x = 21,040.81

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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.