Home / 35,538.38-53,307.84-12,165.02

Finding the Fourth Proportional to 35,538.38, 53,307.84 and 12,165.02

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Solution

The fourth proportional to 35,538.38, 53,307.84 and 12,165.02 is: 18,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.38 : 53,307.84 = 12,165.02 : x
  2. Step 2: Convert to fraction form
    35,538.38/53,307.84 = 12,165.02/x
  3. Step 3: Cross multiply
    35,538.38x = 53,307.84 × 12,165.02
  4. Step 4: Simplify right side
    35,538.38x = 648,490,939.76
  5. Step 5: Solve for x
    x = 648,490,939.76/35,538.38
  6. Step 6: Final answer
    x = 18,247.62

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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.