Home / 30,518.64-45,783.36-10,808.64

Finding the Fourth Proportional to 30,518.64, 45,783.36 and 10,808.64

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Solution

The fourth proportional to 30,518.64, 45,783.36 and 10,808.64 is: 16,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.64 : 45,783.36 = 10,808.64 : x
  2. Step 2: Convert to fraction form
    30,518.64/45,783.36 = 10,808.64/x
  3. Step 3: Cross multiply
    30,518.64x = 45,783.36 × 10,808.64
  4. Step 4: Simplify right side
    30,518.64x = 494,855,856.23
  5. Step 5: Solve for x
    x = 494,855,856.23/30,518.64
  6. Step 6: Final answer
    x = 16,214.87

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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.