Home / 77,393.47-116,080.84-21,238.15

Finding the Fourth Proportional to 77,393.47, 116,080.84 and 21,238.15

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Solution

The fourth proportional to 77,393.47, 116,080.84 and 21,238.15 is: 31,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,393.47 : 116,080.84 = 21,238.15 : x
  2. Step 2: Convert to fraction form
    77,393.47/116,080.84 = 21,238.15/x
  3. Step 3: Cross multiply
    77,393.47x = 116,080.84 × 21,238.15
  4. Step 4: Simplify right side
    77,393.47x = 2,465,342,292.05
  5. Step 5: Solve for x
    x = 2,465,342,292.05/77,393.47
  6. Step 6: Final answer
    x = 31,854.66

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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.