Home / 30,002.70-45,004.05-9,226.20

Finding the Fourth Proportional to 30,002.70, 45,004.05 and 9,226.20

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Solution

The fourth proportional to 30,002.70, 45,004.05 and 9,226.20 is: 13,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.70 : 45,004.05 = 9,226.20 : x
  2. Step 2: Convert to fraction form
    30,002.70/45,004.05 = 9,226.20/x
  3. Step 3: Cross multiply
    30,002.70x = 45,004.05 × 9,226.20
  4. Step 4: Simplify right side
    30,002.70x = 415,216,366.11
  5. Step 5: Solve for x
    x = 415,216,366.11/30,002.70
  6. Step 6: Final answer
    x = 13,839.30

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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.