Home / 30,212.95-41,699.81-19,304.08

Finding the Fourth Proportional to 30,212.95, 41,699.81 and 19,304.08

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Solution

The fourth proportional to 30,212.95, 41,699.81 and 19,304.08 is: 26,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.95 : 41,699.81 = 19,304.08 : x
  2. Step 2: Convert to fraction form
    30,212.95/41,699.81 = 19,304.08/x
  3. Step 3: Cross multiply
    30,212.95x = 41,699.81 × 19,304.08
  4. Step 4: Simplify right side
    30,212.95x = 804,976,468.22
  5. Step 5: Solve for x
    x = 804,976,468.22/30,212.95
  6. Step 6: Final answer
    x = 26,643.43

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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.