Home / 35,630.27-53,453.50-18,981.53

Finding the Fourth Proportional to 35,630.27, 53,453.50 and 18,981.53

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Solution

The fourth proportional to 35,630.27, 53,453.50 and 18,981.53 is: 28,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,630.27 : 53,453.50 = 18,981.53 : x
  2. Step 2: Convert to fraction form
    35,630.27/53,453.50 = 18,981.53/x
  3. Step 3: Cross multiply
    35,630.27x = 53,453.50 × 18,981.53
  4. Step 4: Simplify right side
    35,630.27x = 1,014,628,899.13
  5. Step 5: Solve for x
    x = 1,014,628,899.13/35,630.27
  6. Step 6: Final answer
    x = 28,476.60

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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.