Home / 35,983.10-53,905.80-19,337.60

Finding the Fourth Proportional to 35,983.10, 53,905.80 and 19,337.60

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Solution

The fourth proportional to 35,983.10, 53,905.80 and 19,337.60 is: 28,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,983.10 : 53,905.80 = 19,337.60 : x
  2. Step 2: Convert to fraction form
    35,983.10/53,905.80 = 19,337.60/x
  3. Step 3: Cross multiply
    35,983.10x = 53,905.80 × 19,337.60
  4. Step 4: Simplify right side
    35,983.10x = 1,042,408,798.08
  5. Step 5: Solve for x
    x = 1,042,408,798.08/35,983.10
  6. Step 6: Final answer
    x = 28,969.40

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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.