Home / 42,903.85-59,172.22-30,199.09

Finding the Fourth Proportional to 42,903.85, 59,172.22 and 30,199.09

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Solution

The fourth proportional to 42,903.85, 59,172.22 and 30,199.09 is: 41,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.85 : 59,172.22 = 30,199.09 : x
  2. Step 2: Convert to fraction form
    42,903.85/59,172.22 = 30,199.09/x
  3. Step 3: Cross multiply
    42,903.85x = 59,172.22 × 30,199.09
  4. Step 4: Simplify right side
    42,903.85x = 1,786,947,197.28
  5. Step 5: Solve for x
    x = 1,786,947,197.28/42,903.85
  6. Step 6: Final answer
    x = 41,650.04

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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.