Home / 30,239.80-45,274.50-22,820.68

Finding the Fourth Proportional to 30,239.80, 45,274.50 and 22,820.68

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Solution

The fourth proportional to 30,239.80, 45,274.50 and 22,820.68 is: 34,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.80 : 45,274.50 = 22,820.68 : x
  2. Step 2: Convert to fraction form
    30,239.80/45,274.50 = 22,820.68/x
  3. Step 3: Cross multiply
    30,239.80x = 45,274.50 × 22,820.68
  4. Step 4: Simplify right side
    30,239.80x = 1,033,194,876.66
  5. Step 5: Solve for x
    x = 1,033,194,876.66/30,239.80
  6. Step 6: Final answer
    x = 34,166.72

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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.