Home / 30,644.04-42,281.37-17,889.99

Finding the Fourth Proportional to 30,644.04, 42,281.37 and 17,889.99

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Solution

The fourth proportional to 30,644.04, 42,281.37 and 17,889.99 is: 24,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.04 : 42,281.37 = 17,889.99 : x
  2. Step 2: Convert to fraction form
    30,644.04/42,281.37 = 17,889.99/x
  3. Step 3: Cross multiply
    30,644.04x = 42,281.37 × 17,889.99
  4. Step 4: Simplify right side
    30,644.04x = 756,413,286.49
  5. Step 5: Solve for x
    x = 756,413,286.49/30,644.04
  6. Step 6: Final answer
    x = 24,683.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.