Home / 39,351.64-59,035.90-12,699.15

Finding the Fourth Proportional to 39,351.64, 59,035.90 and 12,699.15

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Solution

The fourth proportional to 39,351.64, 59,035.90 and 12,699.15 is: 19,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.64 : 59,035.90 = 12,699.15 : x
  2. Step 2: Convert to fraction form
    39,351.64/59,035.90 = 12,699.15/x
  3. Step 3: Cross multiply
    39,351.64x = 59,035.90 × 12,699.15
  4. Step 4: Simplify right side
    39,351.64x = 749,705,484.45
  5. Step 5: Solve for x
    x = 749,705,484.45/39,351.64
  6. Step 6: Final answer
    x = 19,051.44

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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.