Home / 30,567.83-45,847.84-11,835.05

Finding the Fourth Proportional to 30,567.83, 45,847.84 and 11,835.05

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Solution

The fourth proportional to 30,567.83, 45,847.84 and 11,835.05 is: 17,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.83 : 45,847.84 = 11,835.05 : x
  2. Step 2: Convert to fraction form
    30,567.83/45,847.84 = 11,835.05/x
  3. Step 3: Cross multiply
    30,567.83x = 45,847.84 × 11,835.05
  4. Step 4: Simplify right side
    30,567.83x = 542,611,478.79
  5. Step 5: Solve for x
    x = 542,611,478.79/30,567.83
  6. Step 6: Final answer
    x = 17,751.06

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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.