Home / 39,728.19-59,602.32-18,664.32

Finding the Fourth Proportional to 39,728.19, 59,602.32 and 18,664.32

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Solution

The fourth proportional to 39,728.19, 59,602.32 and 18,664.32 is: 28,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728.19 : 59,602.32 = 18,664.32 : x
  2. Step 2: Convert to fraction form
    39,728.19/59,602.32 = 18,664.32/x
  3. Step 3: Cross multiply
    39,728.19x = 59,602.32 × 18,664.32
  4. Step 4: Simplify right side
    39,728.19x = 1,112,436,773.22
  5. Step 5: Solve for x
    x = 1,112,436,773.22/39,728.19
  6. Step 6: Final answer
    x = 28,001.19

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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.