Home / 30,369.98-45,556.36-9,308.50

Finding the Fourth Proportional to 30,369.98, 45,556.36 and 9,308.50

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Solution

The fourth proportional to 30,369.98, 45,556.36 and 9,308.50 is: 13,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.98 : 45,556.36 = 9,308.50 : x
  2. Step 2: Convert to fraction form
    30,369.98/45,556.36 = 9,308.50/x
  3. Step 3: Cross multiply
    30,369.98x = 45,556.36 × 9,308.50
  4. Step 4: Simplify right side
    30,369.98x = 424,061,377.06
  5. Step 5: Solve for x
    x = 424,061,377.06/30,369.98
  6. Step 6: Final answer
    x = 13,963.18

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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.