Home / 31,060.44-46,600.35-19,979.64

Finding the Fourth Proportional to 31,060.44, 46,600.35 and 19,979.64

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Solution

The fourth proportional to 31,060.44, 46,600.35 and 19,979.64 is: 29,975.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,060.44 : 46,600.35 = 19,979.64 : x
  2. Step 2: Convert to fraction form
    31,060.44/46,600.35 = 19,979.64/x
  3. Step 3: Cross multiply
    31,060.44x = 46,600.35 × 19,979.64
  4. Step 4: Simplify right side
    31,060.44x = 931,058,216.87
  5. Step 5: Solve for x
    x = 931,058,216.87/31,060.44
  6. Step 6: Final answer
    x = 29,975.69

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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.