Home / 35,710.26-49,279.32-20,602.98

Finding the Fourth Proportional to 35,710.26, 49,279.32 and 20,602.98

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Solution

The fourth proportional to 35,710.26, 49,279.32 and 20,602.98 is: 28,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710.26 : 49,279.32 = 20,602.98 : x
  2. Step 2: Convert to fraction form
    35,710.26/49,279.32 = 20,602.98/x
  3. Step 3: Cross multiply
    35,710.26x = 49,279.32 × 20,602.98
  4. Step 4: Simplify right side
    35,710.26x = 1,015,300,844.37
  5. Step 5: Solve for x
    x = 1,015,300,844.37/35,710.26
  6. Step 6: Final answer
    x = 28,431.63

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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.