Home / 30,418.62-45,627.93-19,897.49

Finding the Fourth Proportional to 30,418.62, 45,627.93 and 19,897.49

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Solution

The fourth proportional to 30,418.62, 45,627.93 and 19,897.49 is: 29,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.62 : 45,627.93 = 19,897.49 : x
  2. Step 2: Convert to fraction form
    30,418.62/45,627.93 = 19,897.49/x
  3. Step 3: Cross multiply
    30,418.62x = 45,627.93 × 19,897.49
  4. Step 4: Simplify right side
    30,418.62x = 907,881,052.76
  5. Step 5: Solve for x
    x = 907,881,052.76/30,418.62
  6. Step 6: Final answer
    x = 29,846.23

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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.