Home / 70,918.25-106,393.13-30,943.70

Finding the Fourth Proportional to 70,918.25, 106,393.13 and 30,943.70

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Solution

The fourth proportional to 70,918.25, 106,393.13 and 30,943.70 is: 46,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.25 : 106,393.13 = 30,943.70 : x
  2. Step 2: Convert to fraction form
    70,918.25/106,393.13 = 30,943.70/x
  3. Step 3: Cross multiply
    70,918.25x = 106,393.13 × 30,943.70
  4. Step 4: Simplify right side
    70,918.25x = 3,292,196,642.17
  5. Step 5: Solve for x
    x = 3,292,196,642.17/70,918.25
  6. Step 6: Final answer
    x = 46,422.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.