Home / 48,127.75-72,220.79-20,425.75

Finding the Fourth Proportional to 48,127.75, 72,220.79 and 20,425.75

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Solution

The fourth proportional to 48,127.75, 72,220.79 and 20,425.75 is: 30,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.75 : 72,220.79 = 20,425.75 : x
  2. Step 2: Convert to fraction form
    48,127.75/72,220.79 = 20,425.75/x
  3. Step 3: Cross multiply
    48,127.75x = 72,220.79 × 20,425.75
  4. Step 4: Simplify right side
    48,127.75x = 1,475,163,699.21
  5. Step 5: Solve for x
    x = 1,475,163,699.21/48,127.75
  6. Step 6: Final answer
    x = 30,651.00

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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.