Home / 30,199.08-45,300.60-8,012.16

Finding the Fourth Proportional to 30,199.08, 45,300.60 and 8,012.16

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Solution

The fourth proportional to 30,199.08, 45,300.60 and 8,012.16 is: 12,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.08 : 45,300.60 = 8,012.16 : x
  2. Step 2: Convert to fraction form
    30,199.08/45,300.60 = 8,012.16/x
  3. Step 3: Cross multiply
    30,199.08x = 45,300.60 × 8,012.16
  4. Step 4: Simplify right side
    30,199.08x = 362,955,655.30
  5. Step 5: Solve for x
    x = 362,955,655.30/30,199.08
  6. Step 6: Final answer
    x = 12,018.77

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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.