Home / 30,275.75-45,420.92-9,499.25

Finding the Fourth Proportional to 30,275.75, 45,420.92 and 9,499.25

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Solution

The fourth proportional to 30,275.75, 45,420.92 and 9,499.25 is: 14,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.75 : 45,420.92 = 9,499.25 : x
  2. Step 2: Convert to fraction form
    30,275.75/45,420.92 = 9,499.25/x
  3. Step 3: Cross multiply
    30,275.75x = 45,420.92 × 9,499.25
  4. Step 4: Simplify right side
    30,275.75x = 431,464,626.81
  5. Step 5: Solve for x
    x = 431,464,626.81/30,275.75
  6. Step 6: Final answer
    x = 14,251.16

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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.