Home / 30,271.26-45,420.21-15,492.36

Finding the Fourth Proportional to 30,271.26, 45,420.21 and 15,492.36

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Solution

The fourth proportional to 30,271.26, 45,420.21 and 15,492.36 is: 23,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.26 : 45,420.21 = 15,492.36 : x
  2. Step 2: Convert to fraction form
    30,271.26/45,420.21 = 15,492.36/x
  3. Step 3: Cross multiply
    30,271.26x = 45,420.21 × 15,492.36
  4. Step 4: Simplify right side
    30,271.26x = 703,666,244.60
  5. Step 5: Solve for x
    x = 703,666,244.60/30,271.26
  6. Step 6: Final answer
    x = 23,245.36

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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.