Home / 30,735.18-46,139.58-20,844.45

Finding the Fourth Proportional to 30,735.18, 46,139.58 and 20,844.45

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Solution

The fourth proportional to 30,735.18, 46,139.58 and 20,844.45 is: 31,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.18 : 46,139.58 = 20,844.45 : x
  2. Step 2: Convert to fraction form
    30,735.18/46,139.58 = 20,844.45/x
  3. Step 3: Cross multiply
    30,735.18x = 46,139.58 × 20,844.45
  4. Step 4: Simplify right side
    30,735.18x = 961,754,168.33
  5. Step 5: Solve for x
    x = 961,754,168.33/30,735.18
  6. Step 6: Final answer
    x = 31,291.64

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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.