Home / 43,607.40-65,411.10-28,735.80

Finding the Fourth Proportional to 43,607.40, 65,411.10 and 28,735.80

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Solution

The fourth proportional to 43,607.40, 65,411.10 and 28,735.80 is: 43,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,607.40 : 65,411.10 = 28,735.80 : x
  2. Step 2: Convert to fraction form
    43,607.40/65,411.10 = 28,735.80/x
  3. Step 3: Cross multiply
    43,607.40x = 65,411.10 × 28,735.80
  4. Step 4: Simplify right side
    43,607.40x = 1,879,640,287.38
  5. Step 5: Solve for x
    x = 1,879,640,287.38/43,607.40
  6. Step 6: Final answer
    x = 43,103.70

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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.