Home / 35,621.87-49,147.56-20,514.13

Finding the Fourth Proportional to 35,621.87, 49,147.56 and 20,514.13

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Solution

The fourth proportional to 35,621.87, 49,147.56 and 20,514.13 is: 28,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.87 : 49,147.56 = 20,514.13 : x
  2. Step 2: Convert to fraction form
    35,621.87/49,147.56 = 20,514.13/x
  3. Step 3: Cross multiply
    35,621.87x = 49,147.56 × 20,514.13
  4. Step 4: Simplify right side
    35,621.87x = 1,008,219,312.15
  5. Step 5: Solve for x
    x = 1,008,219,312.15/35,621.87
  6. Step 6: Final answer
    x = 28,303.38

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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.