Home / 52,783.45-72,842.33-30,121.99

Finding the Fourth Proportional to 52,783.45, 72,842.33 and 30,121.99

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Solution

The fourth proportional to 52,783.45, 72,842.33 and 30,121.99 is: 41,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.45 : 72,842.33 = 30,121.99 : x
  2. Step 2: Convert to fraction form
    52,783.45/72,842.33 = 30,121.99/x
  3. Step 3: Cross multiply
    52,783.45x = 72,842.33 × 30,121.99
  4. Step 4: Simplify right side
    52,783.45x = 2,194,155,935.84
  5. Step 5: Solve for x
    x = 2,194,155,935.84/52,783.45
  6. Step 6: Final answer
    x = 41,569.01

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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.