Home / 30,739.80-46,100.59-13,205.53

Finding the Fourth Proportional to 30,739.80, 46,100.59 and 13,205.53

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Solution

The fourth proportional to 30,739.80, 46,100.59 and 13,205.53 is: 19,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.80 : 46,100.59 = 13,205.53 : x
  2. Step 2: Convert to fraction form
    30,739.80/46,100.59 = 13,205.53/x
  3. Step 3: Cross multiply
    30,739.80x = 46,100.59 × 13,205.53
  4. Step 4: Simplify right side
    30,739.80x = 608,782,823.16
  5. Step 5: Solve for x
    x = 608,782,823.16/30,739.80
  6. Step 6: Final answer
    x = 19,804.38

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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.