Home / 30,237.80-45,271.50-22,818.68

Finding the Fourth Proportional to 30,237.80, 45,271.50 and 22,818.68

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Solution

The fourth proportional to 30,237.80, 45,271.50 and 22,818.68 is: 34,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.80 : 45,271.50 = 22,818.68 : x
  2. Step 2: Convert to fraction form
    30,237.80/45,271.50 = 22,818.68/x
  3. Step 3: Cross multiply
    30,237.80x = 45,271.50 × 22,818.68
  4. Step 4: Simplify right side
    30,237.80x = 1,033,035,871.62
  5. Step 5: Solve for x
    x = 1,033,035,871.62/30,237.80
  6. Step 6: Final answer
    x = 34,163.72

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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.