Home / 30,222.04-41,689.03-18,871.83

Finding the Fourth Proportional to 30,222.04, 41,689.03 and 18,871.83

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Solution

The fourth proportional to 30,222.04, 41,689.03 and 18,871.83 is: 26,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.04 : 41,689.03 = 18,871.83 : x
  2. Step 2: Convert to fraction form
    30,222.04/41,689.03 = 18,871.83/x
  3. Step 3: Cross multiply
    30,222.04x = 41,689.03 × 18,871.83
  4. Step 4: Simplify right side
    30,222.04x = 786,747,984.22
  5. Step 5: Solve for x
    x = 786,747,984.22/30,222.04
  6. Step 6: Final answer
    x = 26,032.26

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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.