Home / 35,012.80-52,435.68-20,190.72

Finding the Fourth Proportional to 35,012.80, 52,435.68 and 20,190.72

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Solution

The fourth proportional to 35,012.80, 52,435.68 and 20,190.72 is: 30,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,012.80 : 52,435.68 = 20,190.72 : x
  2. Step 2: Convert to fraction form
    35,012.80/52,435.68 = 20,190.72/x
  3. Step 3: Cross multiply
    35,012.80x = 52,435.68 × 20,190.72
  4. Step 4: Simplify right side
    35,012.80x = 1,058,714,132.89
  5. Step 5: Solve for x
    x = 1,058,714,132.89/35,012.80
  6. Step 6: Final answer
    x = 30,237.92

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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.