Home / 30,853.30-46,275.79-13,090.99

Finding the Fourth Proportional to 30,853.30, 46,275.79 and 13,090.99

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Solution

The fourth proportional to 30,853.30, 46,275.79 and 13,090.99 is: 19,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.30 : 46,275.79 = 13,090.99 : x
  2. Step 2: Convert to fraction form
    30,853.30/46,275.79 = 13,090.99/x
  3. Step 3: Cross multiply
    30,853.30x = 46,275.79 × 13,090.99
  4. Step 4: Simplify right side
    30,853.30x = 605,795,904.13
  5. Step 5: Solve for x
    x = 605,795,904.13/30,853.30
  6. Step 6: Final answer
    x = 19,634.72

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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.