Home / 52,285.42-72,142.23-29,622.43

Finding the Fourth Proportional to 52,285.42, 72,142.23 and 29,622.43

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Solution

The fourth proportional to 52,285.42, 72,142.23 and 29,622.43 is: 40,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.42 : 72,142.23 = 29,622.43 : x
  2. Step 2: Convert to fraction form
    52,285.42/72,142.23 = 29,622.43/x
  3. Step 3: Cross multiply
    52,285.42x = 72,142.23 × 29,622.43
  4. Step 4: Simplify right side
    52,285.42x = 2,137,028,158.22
  5. Step 5: Solve for x
    x = 2,137,028,158.22/52,285.42
  6. Step 6: Final answer
    x = 40,872.35

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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.