Home / 42,402.59-58,509.78-25,403.03

Finding the Fourth Proportional to 42,402.59, 58,509.78 and 25,403.03

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Solution

The fourth proportional to 42,402.59, 58,509.78 and 25,403.03 is: 35,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,402.59 : 58,509.78 = 25,403.03 : x
  2. Step 2: Convert to fraction form
    42,402.59/58,509.78 = 25,403.03/x
  3. Step 3: Cross multiply
    42,402.59x = 58,509.78 × 25,403.03
  4. Step 4: Simplify right side
    42,402.59x = 1,486,325,696.63
  5. Step 5: Solve for x
    x = 1,486,325,696.63/42,402.59
  6. Step 6: Final answer
    x = 35,052.71

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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.