Home / 39,000.64-58,500.84-12,705.32

Finding the Fourth Proportional to 39,000.64, 58,500.84 and 12,705.32

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Solution

The fourth proportional to 39,000.64, 58,500.84 and 12,705.32 is: 19,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.64 : 58,500.84 = 12,705.32 : x
  2. Step 2: Convert to fraction form
    39,000.64/58,500.84 = 12,705.32/x
  3. Step 3: Cross multiply
    39,000.64x = 58,500.84 × 12,705.32
  4. Step 4: Simplify right side
    39,000.64x = 743,271,892.47
  5. Step 5: Solve for x
    x = 743,271,892.47/39,000.64
  6. Step 6: Final answer
    x = 19,057.94

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1.5x scale

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.