Home / 31,193.40-46,805.46-20,802.36

Finding the Fourth Proportional to 31,193.40, 46,805.46 and 20,802.36

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Solution

The fourth proportional to 31,193.40, 46,805.46 and 20,802.36 is: 31,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,193.40 : 46,805.46 = 20,802.36 : x
  2. Step 2: Convert to fraction form
    31,193.40/46,805.46 = 20,802.36/x
  3. Step 3: Cross multiply
    31,193.40x = 46,805.46 × 20,802.36
  4. Step 4: Simplify right side
    31,193.40x = 973,664,028.89
  5. Step 5: Solve for x
    x = 973,664,028.89/31,193.40
  6. Step 6: Final answer
    x = 31,213.78

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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.