Home / 45,131.36-62,223.54-30,959.60

Finding the Fourth Proportional to 45,131.36, 62,223.54 and 30,959.60

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Solution

The fourth proportional to 45,131.36, 62,223.54 and 30,959.60 is: 42,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,131.36 : 62,223.54 = 30,959.60 : x
  2. Step 2: Convert to fraction form
    45,131.36/62,223.54 = 30,959.60/x
  3. Step 3: Cross multiply
    45,131.36x = 62,223.54 × 30,959.60
  4. Step 4: Simplify right side
    45,131.36x = 1,926,415,908.98
  5. Step 5: Solve for x
    x = 1,926,415,908.98/45,131.36
  6. Step 6: Final answer
    x = 42,684.64

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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.