Home / 30,027.60-45,047.04-10,308.96

Finding the Fourth Proportional to 30,027.60, 45,047.04 and 10,308.96

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Solution

The fourth proportional to 30,027.60, 45,047.04 and 10,308.96 is: 15,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.60 : 45,047.04 = 10,308.96 : x
  2. Step 2: Convert to fraction form
    30,027.60/45,047.04 = 10,308.96/x
  3. Step 3: Cross multiply
    30,027.60x = 45,047.04 × 10,308.96
  4. Step 4: Simplify right side
    30,027.60x = 464,388,133.48
  5. Step 5: Solve for x
    x = 464,388,133.48/30,027.60
  6. Step 6: Final answer
    x = 15,465.38

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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.