Home / 35,970.12-53,970.73-19,310.69

Finding the Fourth Proportional to 35,970.12, 53,970.73 and 19,310.69

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Solution

The fourth proportional to 35,970.12, 53,970.73 and 19,310.69 is: 28,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.12 : 53,970.73 = 19,310.69 : x
  2. Step 2: Convert to fraction form
    35,970.12/53,970.73 = 19,310.69/x
  3. Step 3: Cross multiply
    35,970.12x = 53,970.73 × 19,310.69
  4. Step 4: Simplify right side
    35,970.12x = 1,042,212,122.75
  5. Step 5: Solve for x
    x = 1,042,212,122.75/35,970.12
  6. Step 6: Final answer
    x = 28,974.39

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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.