Home / 33,605.07-46,355.65-21,007.95

Finding the Fourth Proportional to 33,605.07, 46,355.65 and 21,007.95

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Solution

The fourth proportional to 33,605.07, 46,355.65 and 21,007.95 is: 28,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,605.07 : 46,355.65 = 21,007.95 : x
  2. Step 2: Convert to fraction form
    33,605.07/46,355.65 = 21,007.95/x
  3. Step 3: Cross multiply
    33,605.07x = 46,355.65 × 21,007.95
  4. Step 4: Simplify right side
    33,605.07x = 973,837,177.42
  5. Step 5: Solve for x
    x = 973,837,177.42/33,605.07
  6. Step 6: Final answer
    x = 28,978.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.