Home / 77,381.36-116,080.40-33,012.80

Finding the Fourth Proportional to 77,381.36, 116,080.40 and 33,012.80

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Solution

The fourth proportional to 77,381.36, 116,080.40 and 33,012.80 is: 49,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.36 : 116,080.40 = 33,012.80 : x
  2. Step 2: Convert to fraction form
    77,381.36/116,080.40 = 33,012.80/x
  3. Step 3: Cross multiply
    77,381.36x = 116,080.40 × 33,012.80
  4. Step 4: Simplify right side
    77,381.36x = 3,832,139,029.12
  5. Step 5: Solve for x
    x = 3,832,139,029.12/77,381.36
  6. Step 6: Final answer
    x = 49,522.77

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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.