Home / 30,180.29-45,255.25-10,453.55

Finding the Fourth Proportional to 30,180.29, 45,255.25 and 10,453.55

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Solution

The fourth proportional to 30,180.29, 45,255.25 and 10,453.55 is: 15,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.29 : 45,255.25 = 10,453.55 : x
  2. Step 2: Convert to fraction form
    30,180.29/45,255.25 = 10,453.55/x
  3. Step 3: Cross multiply
    30,180.29x = 45,255.25 × 10,453.55
  4. Step 4: Simplify right side
    30,180.29x = 473,077,966.37
  5. Step 5: Solve for x
    x = 473,077,966.37/30,180.29
  6. Step 6: Final answer
    x = 15,675.06

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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.