Home / 39,403.64-54,369.58-23,489.57

Finding the Fourth Proportional to 39,403.64, 54,369.58 and 23,489.57

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Solution

The fourth proportional to 39,403.64, 54,369.58 and 23,489.57 is: 32,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.64 : 54,369.58 = 23,489.57 : x
  2. Step 2: Convert to fraction form
    39,403.64/54,369.58 = 23,489.57/x
  3. Step 3: Cross multiply
    39,403.64x = 54,369.58 × 23,489.57
  4. Step 4: Simplify right side
    39,403.64x = 1,277,118,055.28
  5. Step 5: Solve for x
    x = 1,277,118,055.28/39,403.64
  6. Step 6: Final answer
    x = 32,411.17

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1.5x scale

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.