Home / 30,226.80-45,318.60-13,573.20

Finding the Fourth Proportional to 30,226.80, 45,318.60 and 13,573.20

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Solution

The fourth proportional to 30,226.80, 45,318.60 and 13,573.20 is: 20,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.80 : 45,318.60 = 13,573.20 : x
  2. Step 2: Convert to fraction form
    30,226.80/45,318.60 = 13,573.20/x
  3. Step 3: Cross multiply
    30,226.80x = 45,318.60 × 13,573.20
  4. Step 4: Simplify right side
    30,226.80x = 615,118,421.52
  5. Step 5: Solve for x
    x = 615,118,421.52/30,226.80
  6. Step 6: Final answer
    x = 20,350.10

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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.