Home / 43,390.80-65,011.90-23,683.19

Finding the Fourth Proportional to 43,390.80, 65,011.90 and 23,683.19

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Solution

The fourth proportional to 43,390.80, 65,011.90 and 23,683.19 is: 35,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.80 : 65,011.90 = 23,683.19 : x
  2. Step 2: Convert to fraction form
    43,390.80/65,011.90 = 23,683.19/x
  3. Step 3: Cross multiply
    43,390.80x = 65,011.90 × 23,683.19
  4. Step 4: Simplify right side
    43,390.80x = 1,539,689,179.96
  5. Step 5: Solve for x
    x = 1,539,689,179.96/43,390.80
  6. Step 6: Final answer
    x = 35,484.23

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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.