Home / 30,277.64-41,759.48-19,670.70

Finding the Fourth Proportional to 30,277.64, 41,759.48 and 19,670.70

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Solution

The fourth proportional to 30,277.64, 41,759.48 and 19,670.70 is: 27,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.64 : 41,759.48 = 19,670.70 : x
  2. Step 2: Convert to fraction form
    30,277.64/41,759.48 = 19,670.70/x
  3. Step 3: Cross multiply
    30,277.64x = 41,759.48 × 19,670.70
  4. Step 4: Simplify right side
    30,277.64x = 821,438,203.24
  5. Step 5: Solve for x
    x = 821,438,203.24/30,277.64
  6. Step 6: Final answer
    x = 27,130.19

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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.