Home / 30,229.60-45,299.76-14,628.64

Finding the Fourth Proportional to 30,229.60, 45,299.76 and 14,628.64

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Solution

The fourth proportional to 30,229.60, 45,299.76 and 14,628.64 is: 21,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.60 : 45,299.76 = 14,628.64 : x
  2. Step 2: Convert to fraction form
    30,229.60/45,299.76 = 14,628.64/x
  3. Step 3: Cross multiply
    30,229.60x = 45,299.76 × 14,628.64
  4. Step 4: Simplify right side
    30,229.60x = 662,673,881.13
  5. Step 5: Solve for x
    x = 662,673,881.13/30,229.60
  6. Step 6: Final answer
    x = 21,921.36

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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.