Home / 31,995.08-44,157.48-19,420.04

Finding the Fourth Proportional to 31,995.08, 44,157.48 and 19,420.04

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Solution

The fourth proportional to 31,995.08, 44,157.48 and 19,420.04 is: 26,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.08 : 44,157.48 = 19,420.04 : x
  2. Step 2: Convert to fraction form
    31,995.08/44,157.48 = 19,420.04/x
  3. Step 3: Cross multiply
    31,995.08x = 44,157.48 × 19,420.04
  4. Step 4: Simplify right side
    31,995.08x = 857,540,027.90
  5. Step 5: Solve for x
    x = 857,540,027.90/31,995.08
  6. Step 6: Final answer
    x = 26,802.25

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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.