Home / 30,366.60-45,533.70-12,816.60

Finding the Fourth Proportional to 30,366.60, 45,533.70 and 12,816.60

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Solution

The fourth proportional to 30,366.60, 45,533.70 and 12,816.60 is: 19,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.60 : 45,533.70 = 12,816.60 : x
  2. Step 2: Convert to fraction form
    30,366.60/45,533.70 = 12,816.60/x
  3. Step 3: Cross multiply
    30,366.60x = 45,533.70 × 12,816.60
  4. Step 4: Simplify right side
    30,366.60x = 583,587,219.42
  5. Step 5: Solve for x
    x = 583,587,219.42/30,366.60
  6. Step 6: Final answer
    x = 19,218.06

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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.