Home / 35,725.22-49,300.40-20,617.70

Finding the Fourth Proportional to 35,725.22, 49,300.40 and 20,617.70

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Solution

The fourth proportional to 35,725.22, 49,300.40 and 20,617.70 is: 28,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.22 : 49,300.40 = 20,617.70 : x
  2. Step 2: Convert to fraction form
    35,725.22/49,300.40 = 20,617.70/x
  3. Step 3: Cross multiply
    35,725.22x = 49,300.40 × 20,617.70
  4. Step 4: Simplify right side
    35,725.22x = 1,016,460,507.49
  5. Step 5: Solve for x
    x = 1,016,460,507.49/35,725.22
  6. Step 6: Final answer
    x = 28,452.19

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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.