Home / 30,322.20-45,492.72-15,541.44

Finding the Fourth Proportional to 30,322.20, 45,492.72 and 15,541.44

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Solution

The fourth proportional to 30,322.20, 45,492.72 and 15,541.44 is: 23,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.20 : 45,492.72 = 15,541.44 : x
  2. Step 2: Convert to fraction form
    30,322.20/45,492.72 = 15,541.44/x
  3. Step 3: Cross multiply
    30,322.20x = 45,492.72 × 15,541.44
  4. Step 4: Simplify right side
    30,322.20x = 707,022,378.32
  5. Step 5: Solve for x
    x = 707,022,378.32/30,322.20
  6. Step 6: Final answer
    x = 23,316.99

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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.