Home / 50,455.02-75,682.54-20,840.30

Finding the Fourth Proportional to 50,455.02, 75,682.54 and 20,840.30

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Solution

The fourth proportional to 50,455.02, 75,682.54 and 20,840.30 is: 31,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,455.02 : 75,682.54 = 20,840.30 : x
  2. Step 2: Convert to fraction form
    50,455.02/75,682.54 = 20,840.30/x
  3. Step 3: Cross multiply
    50,455.02x = 75,682.54 × 20,840.30
  4. Step 4: Simplify right side
    50,455.02x = 1,577,246,838.36
  5. Step 5: Solve for x
    x = 1,577,246,838.36/50,455.02
  6. Step 6: Final answer
    x = 31,260.45

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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.