Home / 39,415.79-59,122.04-18,348.59

Finding the Fourth Proportional to 39,415.79, 59,122.04 and 18,348.59

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Solution

The fourth proportional to 39,415.79, 59,122.04 and 18,348.59 is: 27,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.79 : 59,122.04 = 18,348.59 : x
  2. Step 2: Convert to fraction form
    39,415.79/59,122.04 = 18,348.59/x
  3. Step 3: Cross multiply
    39,415.79x = 59,122.04 × 18,348.59
  4. Step 4: Simplify right side
    39,415.79x = 1,084,806,127.99
  5. Step 5: Solve for x
    x = 1,084,806,127.99/39,415.79
  6. Step 6: Final answer
    x = 27,522.12

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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.