Home / 39,598.86-54,647.80-21,695.42

Finding the Fourth Proportional to 39,598.86, 54,647.80 and 21,695.42

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Solution

The fourth proportional to 39,598.86, 54,647.80 and 21,695.42 is: 29,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.86 : 54,647.80 = 21,695.42 : x
  2. Step 2: Convert to fraction form
    39,598.86/54,647.80 = 21,695.42/x
  3. Step 3: Cross multiply
    39,598.86x = 54,647.80 × 21,695.42
  4. Step 4: Simplify right side
    39,598.86x = 1,185,606,973.08
  5. Step 5: Solve for x
    x = 1,185,606,973.08/39,598.86
  6. Step 6: Final answer
    x = 29,940.43

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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.