Home / 39,773.58-59,661.82-13,120.23

Finding the Fourth Proportional to 39,773.58, 59,661.82 and 13,120.23

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Solution

The fourth proportional to 39,773.58, 59,661.82 and 13,120.23 is: 19,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.58 : 59,661.82 = 13,120.23 : x
  2. Step 2: Convert to fraction form
    39,773.58/59,661.82 = 13,120.23/x
  3. Step 3: Cross multiply
    39,773.58x = 59,661.82 × 13,120.23
  4. Step 4: Simplify right side
    39,773.58x = 782,776,631.35
  5. Step 5: Solve for x
    x = 782,776,631.35/39,773.58
  6. Step 6: Final answer
    x = 19,680.82

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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.