Home / 39,921.23-59,886.46-13,269.59

Finding the Fourth Proportional to 39,921.23, 59,886.46 and 13,269.59

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Solution

The fourth proportional to 39,921.23, 59,886.46 and 13,269.59 is: 19,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,921.23 : 59,886.46 = 13,269.59 : x
  2. Step 2: Convert to fraction form
    39,921.23/59,886.46 = 13,269.59/x
  3. Step 3: Cross multiply
    39,921.23x = 59,886.46 × 13,269.59
  4. Step 4: Simplify right side
    39,921.23x = 794,668,770.75
  5. Step 5: Solve for x
    x = 794,668,770.75/39,921.23
  6. Step 6: Final answer
    x = 19,905.92

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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.