Home / 35,948.01-53,942.17-20,972.53

Finding the Fourth Proportional to 35,948.01, 53,942.17 and 20,972.53

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Solution

The fourth proportional to 35,948.01, 53,942.17 and 20,972.53 is: 31,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948.01 : 53,942.17 = 20,972.53 : x
  2. Step 2: Convert to fraction form
    35,948.01/53,942.17 = 20,972.53/x
  3. Step 3: Cross multiply
    35,948.01x = 53,942.17 × 20,972.53
  4. Step 4: Simplify right side
    35,948.01x = 1,131,303,778.59
  5. Step 5: Solve for x
    x = 1,131,303,778.59/35,948.01
  6. Step 6: Final answer
    x = 31,470.55

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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.