Home / 35,988.62-53,982.90-12,615.08

Finding the Fourth Proportional to 35,988.62, 53,982.90 and 12,615.08

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Solution

The fourth proportional to 35,988.62, 53,982.90 and 12,615.08 is: 18,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.62 : 53,982.90 = 12,615.08 : x
  2. Step 2: Convert to fraction form
    35,988.62/53,982.90 = 12,615.08/x
  3. Step 3: Cross multiply
    35,988.62x = 53,982.90 × 12,615.08
  4. Step 4: Simplify right side
    35,988.62x = 680,998,332.22
  5. Step 5: Solve for x
    x = 680,998,332.22/35,988.62
  6. Step 6: Final answer
    x = 18,922.60

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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.