Home / 30,498.31-45,738.68-10,506.99

Finding the Fourth Proportional to 30,498.31, 45,738.68 and 10,506.99

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Solution

The fourth proportional to 30,498.31, 45,738.68 and 10,506.99 is: 15,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498.31 : 45,738.68 = 10,506.99 : x
  2. Step 2: Convert to fraction form
    30,498.31/45,738.68 = 10,506.99/x
  3. Step 3: Cross multiply
    30,498.31x = 45,738.68 × 10,506.99
  4. Step 4: Simplify right side
    30,498.31x = 480,575,853.37
  5. Step 5: Solve for x
    x = 480,575,853.37/30,498.31
  6. Step 6: Final answer
    x = 15,757.46

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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.