Home / 30,429.02-45,589.00-18,576.69

Finding the Fourth Proportional to 30,429.02, 45,589.00 and 18,576.69

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Solution

The fourth proportional to 30,429.02, 45,589.00 and 18,576.69 is: 27,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.02 : 45,589.00 = 18,576.69 : x
  2. Step 2: Convert to fraction form
    30,429.02/45,589.00 = 18,576.69/x
  3. Step 3: Cross multiply
    30,429.02x = 45,589.00 × 18,576.69
  4. Step 4: Simplify right side
    30,429.02x = 846,892,846.53
  5. Step 5: Solve for x
    x = 846,892,846.53/30,429.02
  6. Step 6: Final answer
    x = 27,831.75

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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.