Home / 30,667.20-46,000.80-10,946.40

Finding the Fourth Proportional to 30,667.20, 46,000.80 and 10,946.40

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Solution

The fourth proportional to 30,667.20, 46,000.80 and 10,946.40 is: 16,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.20 : 46,000.80 = 10,946.40 : x
  2. Step 2: Convert to fraction form
    30,667.20/46,000.80 = 10,946.40/x
  3. Step 3: Cross multiply
    30,667.20x = 46,000.80 × 10,946.40
  4. Step 4: Simplify right side
    30,667.20x = 503,543,157.12
  5. Step 5: Solve for x
    x = 503,543,157.12/30,667.20
  6. Step 6: Final answer
    x = 16,419.60

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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.