Home / 35,555.52-53,274.90-12,169.20

Finding the Fourth Proportional to 35,555.52, 53,274.90 and 12,169.20

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Solution

The fourth proportional to 35,555.52, 53,274.90 and 12,169.20 is: 18,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.52 : 53,274.90 = 12,169.20 : x
  2. Step 2: Convert to fraction form
    35,555.52/53,274.90 = 12,169.20/x
  3. Step 3: Cross multiply
    35,555.52x = 53,274.90 × 12,169.20
  4. Step 4: Simplify right side
    35,555.52x = 648,312,913.08
  5. Step 5: Solve for x
    x = 648,312,913.08/35,555.52
  6. Step 6: Final answer
    x = 18,233.82

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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.