Home / 30,045.45-45,075.56-10,324.29

Finding the Fourth Proportional to 30,045.45, 45,075.56 and 10,324.29

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Solution

The fourth proportional to 30,045.45, 45,075.56 and 10,324.29 is: 15,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.45 : 45,075.56 = 10,324.29 : x
  2. Step 2: Convert to fraction form
    30,045.45/45,075.56 = 10,324.29/x
  3. Step 3: Cross multiply
    30,045.45x = 45,075.56 × 10,324.29
  4. Step 4: Simplify right side
    30,045.45x = 465,373,101.73
  5. Step 5: Solve for x
    x = 465,373,101.73/30,045.45
  6. Step 6: Final answer
    x = 15,488.97

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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.