Home / 35,405.57-48,853.96-20,295.45

Finding the Fourth Proportional to 35,405.57, 48,853.96 and 20,295.45

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Solution

The fourth proportional to 35,405.57, 48,853.96 and 20,295.45 is: 28,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.57 : 48,853.96 = 20,295.45 : x
  2. Step 2: Convert to fraction form
    35,405.57/48,853.96 = 20,295.45/x
  3. Step 3: Cross multiply
    35,405.57x = 48,853.96 × 20,295.45
  4. Step 4: Simplify right side
    35,405.57x = 991,513,102.48
  5. Step 5: Solve for x
    x = 991,513,102.48/35,405.57
  6. Step 6: Final answer
    x = 28,004.44

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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.