Home / 38,559.07-53,212.60-21,563.95

Finding the Fourth Proportional to 38,559.07, 53,212.60 and 21,563.95

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Solution

The fourth proportional to 38,559.07, 53,212.60 and 21,563.95 is: 29,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.07 : 53,212.60 = 21,563.95 : x
  2. Step 2: Convert to fraction form
    38,559.07/53,212.60 = 21,563.95/x
  3. Step 3: Cross multiply
    38,559.07x = 53,212.60 × 21,563.95
  4. Step 4: Simplify right side
    38,559.07x = 1,147,473,900.12
  5. Step 5: Solve for x
    x = 1,147,473,900.12/38,559.07
  6. Step 6: Final answer
    x = 29,758.86

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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.