Home / 29,043.80-43,569.56-9,315.80

Finding the Fourth Proportional to 29,043.80, 43,569.56 and 9,315.80

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Solution

The fourth proportional to 29,043.80, 43,569.56 and 9,315.80 is: 13,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.80 : 43,569.56 = 9,315.80 : x
  2. Step 2: Convert to fraction form
    29,043.80/43,569.56 = 9,315.80/x
  3. Step 3: Cross multiply
    29,043.80x = 43,569.56 × 9,315.80
  4. Step 4: Simplify right side
    29,043.80x = 405,885,307.05
  5. Step 5: Solve for x
    x = 405,885,307.05/29,043.80
  6. Step 6: Final answer
    x = 13,974.94

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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.