Home / 40,200.03-55,479.36-22,300.80

Finding the Fourth Proportional to 40,200.03, 55,479.36 and 22,300.80

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Solution

The fourth proportional to 40,200.03, 55,479.36 and 22,300.80 is: 30,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.03 : 55,479.36 = 22,300.80 : x
  2. Step 2: Convert to fraction form
    40,200.03/55,479.36 = 22,300.80/x
  3. Step 3: Cross multiply
    40,200.03x = 55,479.36 × 22,300.80
  4. Step 4: Simplify right side
    40,200.03x = 1,237,234,111.49
  5. Step 5: Solve for x
    x = 1,237,234,111.49/40,200.03
  6. Step 6: Final answer
    x = 30,776.94

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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.