Home / 30,161.08-45,254.04-10,453.48

Finding the Fourth Proportional to 30,161.08, 45,254.04 and 10,453.48

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Solution

The fourth proportional to 30,161.08, 45,254.04 and 10,453.48 is: 15,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.08 : 45,254.04 = 10,453.48 : x
  2. Step 2: Convert to fraction form
    30,161.08/45,254.04 = 10,453.48/x
  3. Step 3: Cross multiply
    30,161.08x = 45,254.04 × 10,453.48
  4. Step 4: Simplify right side
    30,161.08x = 473,062,235.80
  5. Step 5: Solve for x
    x = 473,062,235.80/30,161.08
  6. Step 6: Final answer
    x = 15,684.52

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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.