Home / 42,002.12-63,011.46-12,016.64

Finding the Fourth Proportional to 42,002.12, 63,011.46 and 12,016.64

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Solution

The fourth proportional to 42,002.12, 63,011.46 and 12,016.64 is: 18,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.12 : 63,011.46 = 12,016.64 : x
  2. Step 2: Convert to fraction form
    42,002.12/63,011.46 = 12,016.64/x
  3. Step 3: Cross multiply
    42,002.12x = 63,011.46 × 12,016.64
  4. Step 4: Simplify right side
    42,002.12x = 757,186,030.69
  5. Step 5: Solve for x
    x = 757,186,030.69/42,002.12
  6. Step 6: Final answer
    x = 18,027.33

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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.