Home / 50,775.31-70,072.11-28,114.30

Finding the Fourth Proportional to 50,775.31, 70,072.11 and 28,114.30

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Solution

The fourth proportional to 50,775.31, 70,072.11 and 28,114.30 is: 38,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.31 : 70,072.11 = 28,114.30 : x
  2. Step 2: Convert to fraction form
    50,775.31/70,072.11 = 28,114.30/x
  3. Step 3: Cross multiply
    50,775.31x = 70,072.11 × 28,114.30
  4. Step 4: Simplify right side
    50,775.31x = 1,970,028,322.17
  5. Step 5: Solve for x
    x = 1,970,028,322.17/50,775.31
  6. Step 6: Final answer
    x = 38,798.94

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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.