Home / 39,965.60-55,154.32-22,975.35

Finding the Fourth Proportional to 39,965.60, 55,154.32 and 22,975.35

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Solution

The fourth proportional to 39,965.60, 55,154.32 and 22,975.35 is: 31,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.60 : 55,154.32 = 22,975.35 : x
  2. Step 2: Convert to fraction form
    39,965.60/55,154.32 = 22,975.35/x
  3. Step 3: Cross multiply
    39,965.60x = 55,154.32 × 22,975.35
  4. Step 4: Simplify right side
    39,965.60x = 1,267,189,541.74
  5. Step 5: Solve for x
    x = 1,267,189,541.74/39,965.60
  6. Step 6: Final answer
    x = 31,707.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.