Home / 35,931.96-49,583.16-20,619.18

Finding the Fourth Proportional to 35,931.96, 49,583.16 and 20,619.18

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Solution

The fourth proportional to 35,931.96, 49,583.16 and 20,619.18 is: 28,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.96 : 49,583.16 = 20,619.18 : x
  2. Step 2: Convert to fraction form
    35,931.96/49,583.16 = 20,619.18/x
  3. Step 3: Cross multiply
    35,931.96x = 49,583.16 × 20,619.18
  4. Step 4: Simplify right side
    35,931.96x = 1,022,364,101.01
  5. Step 5: Solve for x
    x = 1,022,364,101.01/35,931.96
  6. Step 6: Final answer
    x = 28,452.78

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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.