Home / 30,320.27-45,464.00-10,323.80

Finding the Fourth Proportional to 30,320.27, 45,464.00 and 10,323.80

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Solution

The fourth proportional to 30,320.27, 45,464.00 and 10,323.80 is: 15,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.27 : 45,464.00 = 10,323.80 : x
  2. Step 2: Convert to fraction form
    30,320.27/45,464.00 = 10,323.80/x
  3. Step 3: Cross multiply
    30,320.27x = 45,464.00 × 10,323.80
  4. Step 4: Simplify right side
    30,320.27x = 469,360,964.26
  5. Step 5: Solve for x
    x = 469,360,964.26/30,320.27
  6. Step 6: Final answer
    x = 15,480.11

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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.