Home / 50,942.02-70,308.42-28,288.30

Finding the Fourth Proportional to 50,942.02, 70,308.42 and 28,288.30

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Solution

The fourth proportional to 50,942.02, 70,308.42 and 28,288.30 is: 39,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,942.02 : 70,308.42 = 28,288.30 : x
  2. Step 2: Convert to fraction form
    50,942.02/70,308.42 = 28,288.30/x
  3. Step 3: Cross multiply
    50,942.02x = 70,308.42 × 28,288.30
  4. Step 4: Simplify right side
    50,942.02x = 1,988,905,677.49
  5. Step 5: Solve for x
    x = 1,988,905,677.49/50,942.02
  6. Step 6: Final answer
    x = 39,042.54

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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.