Home / 30,397.80-45,643.37-27,097.06

Finding the Fourth Proportional to 30,397.80, 45,643.37 and 27,097.06

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Solution

The fourth proportional to 30,397.80, 45,643.37 and 27,097.06 is: 40,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.80 : 45,643.37 = 27,097.06 : x
  2. Step 2: Convert to fraction form
    30,397.80/45,643.37 = 27,097.06/x
  3. Step 3: Cross multiply
    30,397.80x = 45,643.37 × 27,097.06
  4. Step 4: Simplify right side
    30,397.80x = 1,236,801,143.95
  5. Step 5: Solve for x
    x = 1,236,801,143.95/30,397.80
  6. Step 6: Final answer
    x = 40,687.19

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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.