Home / 30,621.60-45,932.40-9,563.44

Finding the Fourth Proportional to 30,621.60, 45,932.40 and 9,563.44

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Solution

The fourth proportional to 30,621.60, 45,932.40 and 9,563.44 is: 14,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.60 : 45,932.40 = 9,563.44 : x
  2. Step 2: Convert to fraction form
    30,621.60/45,932.40 = 9,563.44/x
  3. Step 3: Cross multiply
    30,621.60x = 45,932.40 × 9,563.44
  4. Step 4: Simplify right side
    30,621.60x = 439,271,751.46
  5. Step 5: Solve for x
    x = 439,271,751.46/30,621.60
  6. Step 6: Final answer
    x = 14,345.16

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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.