Home / 39,118.07-58,703.83-21,600.20

Finding the Fourth Proportional to 39,118.07, 58,703.83 and 21,600.20

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Solution

The fourth proportional to 39,118.07, 58,703.83 and 21,600.20 is: 32,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,118.07 : 58,703.83 = 21,600.20 : x
  2. Step 2: Convert to fraction form
    39,118.07/58,703.83 = 21,600.20/x
  3. Step 3: Cross multiply
    39,118.07x = 58,703.83 × 21,600.20
  4. Step 4: Simplify right side
    39,118.07x = 1,268,014,561.53
  5. Step 5: Solve for x
    x = 1,268,014,561.53/39,118.07
  6. Step 6: Final answer
    x = 32,415.06

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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.