Home / 35,739.53-49,325.66-20,629.18

Finding the Fourth Proportional to 35,739.53, 49,325.66 and 20,629.18

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Solution

The fourth proportional to 35,739.53, 49,325.66 and 20,629.18 is: 28,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.53 : 49,325.66 = 20,629.18 : x
  2. Step 2: Convert to fraction form
    35,739.53/49,325.66 = 20,629.18/x
  3. Step 3: Cross multiply
    35,739.53x = 49,325.66 × 20,629.18
  4. Step 4: Simplify right side
    35,739.53x = 1,017,547,954.63
  5. Step 5: Solve for x
    x = 1,017,547,954.63/35,739.53
  6. Step 6: Final answer
    x = 28,471.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.