Home / 30,062.44-45,103.74-14,478.28

Finding the Fourth Proportional to 30,062.44, 45,103.74 and 14,478.28

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Solution

The fourth proportional to 30,062.44, 45,103.74 and 14,478.28 is: 21,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.44 : 45,103.74 = 14,478.28 : x
  2. Step 2: Convert to fraction form
    30,062.44/45,103.74 = 14,478.28/x
  3. Step 3: Cross multiply
    30,062.44x = 45,103.74 × 14,478.28
  4. Step 4: Simplify right side
    30,062.44x = 653,024,576.77
  5. Step 5: Solve for x
    x = 653,024,576.77/30,062.44
  6. Step 6: Final answer
    x = 21,722.27

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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.