Home / 42,199.56-58,235.40-25,435.80

Finding the Fourth Proportional to 42,199.56, 58,235.40 and 25,435.80

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Solution

The fourth proportional to 42,199.56, 58,235.40 and 25,435.80 is: 35,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,199.56 : 58,235.40 = 25,435.80 : x
  2. Step 2: Convert to fraction form
    42,199.56/58,235.40 = 25,435.80/x
  3. Step 3: Cross multiply
    42,199.56x = 58,235.40 × 25,435.80
  4. Step 4: Simplify right side
    42,199.56x = 1,481,263,987.32
  5. Step 5: Solve for x
    x = 1,481,263,987.32/42,199.56
  6. Step 6: Final answer
    x = 35,101.41

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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.