Home / 30,454.20-45,701.70-10,732.80

Finding the Fourth Proportional to 30,454.20, 45,701.70 and 10,732.80

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Solution

The fourth proportional to 30,454.20, 45,701.70 and 10,732.80 is: 16,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.20 : 45,701.70 = 10,732.80 : x
  2. Step 2: Convert to fraction form
    30,454.20/45,701.70 = 10,732.80/x
  3. Step 3: Cross multiply
    30,454.20x = 45,701.70 × 10,732.80
  4. Step 4: Simplify right side
    30,454.20x = 490,507,205.76
  5. Step 5: Solve for x
    x = 490,507,205.76/30,454.20
  6. Step 6: Final answer
    x = 16,106.39

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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.