Home / 42,145.53-58,161.97-25,159.63

Finding the Fourth Proportional to 42,145.53, 58,161.97 and 25,159.63

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Solution

The fourth proportional to 42,145.53, 58,161.97 and 25,159.63 is: 34,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.53 : 58,161.97 = 25,159.63 : x
  2. Step 2: Convert to fraction form
    42,145.53/58,161.97 = 25,159.63/x
  3. Step 3: Cross multiply
    42,145.53x = 58,161.97 × 25,159.63
  4. Step 4: Simplify right side
    42,145.53x = 1,463,333,645.27
  5. Step 5: Solve for x
    x = 1,463,333,645.27/42,145.53
  6. Step 6: Final answer
    x = 34,720.97

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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.