Home / 35,686.23-49,249.99-19,772.16

Finding the Fourth Proportional to 35,686.23, 49,249.99 and 19,772.16

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Solution

The fourth proportional to 35,686.23, 49,249.99 and 19,772.16 is: 27,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.23 : 49,249.99 = 19,772.16 : x
  2. Step 2: Convert to fraction form
    35,686.23/49,249.99 = 19,772.16/x
  3. Step 3: Cross multiply
    35,686.23x = 49,249.99 × 19,772.16
  4. Step 4: Simplify right side
    35,686.23x = 973,778,682.28
  5. Step 5: Solve for x
    x = 973,778,682.28/35,686.23
  6. Step 6: Final answer
    x = 27,287.24

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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.