Home / 42,067.44-58,075.92-30,725.28

Finding the Fourth Proportional to 42,067.44, 58,075.92 and 30,725.28

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Solution

The fourth proportional to 42,067.44, 58,075.92 and 30,725.28 is: 42,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067.44 : 58,075.92 = 30,725.28 : x
  2. Step 2: Convert to fraction form
    42,067.44/58,075.92 = 30,725.28/x
  3. Step 3: Cross multiply
    42,067.44x = 58,075.92 × 30,725.28
  4. Step 4: Simplify right side
    42,067.44x = 1,784,398,903.26
  5. Step 5: Solve for x
    x = 1,784,398,903.26/42,067.44
  6. Step 6: Final answer
    x = 42,417.58

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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.