Home / 35,528.20-53,385.90-19,745.80

Finding the Fourth Proportional to 35,528.20, 53,385.90 and 19,745.80

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Solution

The fourth proportional to 35,528.20, 53,385.90 and 19,745.80 is: 29,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.20 : 53,385.90 = 19,745.80 : x
  2. Step 2: Convert to fraction form
    35,528.20/53,385.90 = 19,745.80/x
  3. Step 3: Cross multiply
    35,528.20x = 53,385.90 × 19,745.80
  4. Step 4: Simplify right side
    35,528.20x = 1,054,147,304.22
  5. Step 5: Solve for x
    x = 1,054,147,304.22/35,528.20
  6. Step 6: Final answer
    x = 29,670.72

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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.