Home / 35,697.15-53,546.40-12,000.32

Finding the Fourth Proportional to 35,697.15, 53,546.40 and 12,000.32

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Solution

The fourth proportional to 35,697.15, 53,546.40 and 12,000.32 is: 18,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,697.15 : 53,546.40 = 12,000.32 : x
  2. Step 2: Convert to fraction form
    35,697.15/53,546.40 = 12,000.32/x
  3. Step 3: Cross multiply
    35,697.15x = 53,546.40 × 12,000.32
  4. Step 4: Simplify right side
    35,697.15x = 642,573,667.12
  5. Step 5: Solve for x
    x = 642,573,667.12/35,697.15
  6. Step 6: Final answer
    x = 18,000.70

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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.