Home / 51,393.29-77,070.49-21,825.05

Finding the Fourth Proportional to 51,393.29, 77,070.49 and 21,825.05

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Solution

The fourth proportional to 51,393.29, 77,070.49 and 21,825.05 is: 32,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,393.29 : 77,070.49 = 21,825.05 : x
  2. Step 2: Convert to fraction form
    51,393.29/77,070.49 = 21,825.05/x
  3. Step 3: Cross multiply
    51,393.29x = 77,070.49 × 21,825.05
  4. Step 4: Simplify right side
    51,393.29x = 1,682,066,857.86
  5. Step 5: Solve for x
    x = 1,682,066,857.86/51,393.29
  6. Step 6: Final answer
    x = 32,729.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.