Home / 43,801.80-65,711.82-14,220.24

Finding the Fourth Proportional to 43,801.80, 65,711.82 and 14,220.24

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Solution

The fourth proportional to 43,801.80, 65,711.82 and 14,220.24 is: 21,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,801.80 : 65,711.82 = 14,220.24 : x
  2. Step 2: Convert to fraction form
    43,801.80/65,711.82 = 14,220.24/x
  3. Step 3: Cross multiply
    43,801.80x = 65,711.82 × 14,220.24
  4. Step 4: Simplify right side
    43,801.80x = 934,437,851.24
  5. Step 5: Solve for x
    x = 934,437,851.24/43,801.80
  6. Step 6: Final answer
    x = 21,333.32

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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.