Home / 44,653.48-66,981.84-13,489

Finding the Fourth Proportional to 44,653.48, 66,981.84 and 13,489

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Solution

The fourth proportional to 44,653.48, 66,981.84 and 13,489 is: 20,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,653.48 : 66,981.84 = 13,489 : x
  2. Step 2: Convert to fraction form
    44,653.48/66,981.84 = 13,489/x
  3. Step 3: Cross multiply
    44,653.48x = 66,981.84 × 13,489
  4. Step 4: Simplify right side
    44,653.48x = 903,518,039.76
  5. Step 5: Solve for x
    x = 903,518,039.76/44,653.48
  6. Step 6: Final answer
    x = 20,233.99

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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.