Home / 51,357.44-70,852.16-31,211.12

Finding the Fourth Proportional to 51,357.44, 70,852.16 and 31,211.12

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Solution

The fourth proportional to 51,357.44, 70,852.16 and 31,211.12 is: 43,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.44 : 70,852.16 = 31,211.12 : x
  2. Step 2: Convert to fraction form
    51,357.44/70,852.16 = 31,211.12/x
  3. Step 3: Cross multiply
    51,357.44x = 70,852.16 × 31,211.12
  4. Step 4: Simplify right side
    51,357.44x = 2,211,375,268.02
  5. Step 5: Solve for x
    x = 2,211,375,268.02/51,357.44
  6. Step 6: Final answer
    x = 43,058.52

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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.