Home / 30,027.18-45,041.84-10,305.60

Finding the Fourth Proportional to 30,027.18, 45,041.84 and 10,305.60

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Solution

The fourth proportional to 30,027.18, 45,041.84 and 10,305.60 is: 15,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.18 : 45,041.84 = 10,305.60 : x
  2. Step 2: Convert to fraction form
    30,027.18/45,041.84 = 10,305.60/x
  3. Step 3: Cross multiply
    30,027.18x = 45,041.84 × 10,305.60
  4. Step 4: Simplify right side
    30,027.18x = 464,183,186.30
  5. Step 5: Solve for x
    x = 464,183,186.30/30,027.18
  6. Step 6: Final answer
    x = 15,458.77

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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.