Home / 34,514.88-47,661.75-21,790.59

Finding the Fourth Proportional to 34,514.88, 47,661.75 and 21,790.59

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Solution

The fourth proportional to 34,514.88, 47,661.75 and 21,790.59 is: 30,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.88 : 47,661.75 = 21,790.59 : x
  2. Step 2: Convert to fraction form
    34,514.88/47,661.75 = 21,790.59/x
  3. Step 3: Cross multiply
    34,514.88x = 47,661.75 × 21,790.59
  4. Step 4: Simplify right side
    34,514.88x = 1,038,577,652.93
  5. Step 5: Solve for x
    x = 1,038,577,652.93/34,514.88
  6. Step 6: Final answer
    x = 30,090.72

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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.