Home / 30,418.93-41,973.95-16,988.47

Finding the Fourth Proportional to 30,418.93, 41,973.95 and 16,988.47

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Solution

The fourth proportional to 30,418.93, 41,973.95 and 16,988.47 is: 23,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.93 : 41,973.95 = 16,988.47 : x
  2. Step 2: Convert to fraction form
    30,418.93/41,973.95 = 16,988.47/x
  3. Step 3: Cross multiply
    30,418.93x = 41,973.95 × 16,988.47
  4. Step 4: Simplify right side
    30,418.93x = 713,073,032.33
  5. Step 5: Solve for x
    x = 713,073,032.33/30,418.93
  6. Step 6: Final answer
    x = 23,441.76

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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.