Home / 39,629.60-59,444.32-9,643.60

Finding the Fourth Proportional to 39,629.60, 59,444.32 and 9,643.60

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Solution

The fourth proportional to 39,629.60, 59,444.32 and 9,643.60 is: 14,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.60 : 59,444.32 = 9,643.60 : x
  2. Step 2: Convert to fraction form
    39,629.60/59,444.32 = 9,643.60/x
  3. Step 3: Cross multiply
    39,629.60x = 59,444.32 × 9,643.60
  4. Step 4: Simplify right side
    39,629.60x = 573,257,244.35
  5. Step 5: Solve for x
    x = 573,257,244.35/39,629.60
  6. Step 6: Final answer
    x = 14,465.38

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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.