Home / 35,184.80-52,777.20-19,438.40

Finding the Fourth Proportional to 35,184.80, 52,777.20 and 19,438.40

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Solution

The fourth proportional to 35,184.80, 52,777.20 and 19,438.40 is: 29,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,184.80 : 52,777.20 = 19,438.40 : x
  2. Step 2: Convert to fraction form
    35,184.80/52,777.20 = 19,438.40/x
  3. Step 3: Cross multiply
    35,184.80x = 52,777.20 × 19,438.40
  4. Step 4: Simplify right side
    35,184.80x = 1,025,904,324.48
  5. Step 5: Solve for x
    x = 1,025,904,324.48/35,184.80
  6. Step 6: Final answer
    x = 29,157.60

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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.