Home / 50,921.55-70,272-28,262.00

Finding the Fourth Proportional to 50,921.55, 70,272 and 28,262.00

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Solution

The fourth proportional to 50,921.55, 70,272 and 28,262.00 is: 39,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.55 : 70,272 = 28,262.00 : x
  2. Step 2: Convert to fraction form
    50,921.55/70,272 = 28,262.00/x
  3. Step 3: Cross multiply
    50,921.55x = 70,272 × 28,262.00
  4. Step 4: Simplify right side
    50,921.55x = 1,986,026,912.64
  5. Step 5: Solve for x
    x = 1,986,026,912.64/50,921.55
  6. Step 6: Final answer
    x = 39,001.70

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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.