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Finding the Fourth Proportional to 30,352.52, 45,501.04 and 10,620.31

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Solution

The fourth proportional to 30,352.52, 45,501.04 and 10,620.31 is: 15,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.52 : 45,501.04 = 10,620.31 : x
  2. Step 2: Convert to fraction form
    30,352.52/45,501.04 = 10,620.31/x
  3. Step 3: Cross multiply
    30,352.52x = 45,501.04 × 10,620.31
  4. Step 4: Simplify right side
    30,352.52x = 483,235,150.12
  5. Step 5: Solve for x
    x = 483,235,150.12/30,352.52
  6. Step 6: Final answer
    x = 15,920.76

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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.