Home / 77,787.48-116,675.58-30,393.66

Finding the Fourth Proportional to 77,787.48, 116,675.58 and 30,393.66

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Solution

The fourth proportional to 77,787.48, 116,675.58 and 30,393.66 is: 45,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.48 : 116,675.58 = 30,393.66 : x
  2. Step 2: Convert to fraction form
    77,787.48/116,675.58 = 30,393.66/x
  3. Step 3: Cross multiply
    77,787.48x = 116,675.58 × 30,393.66
  4. Step 4: Simplify right side
    77,787.48x = 3,546,197,908.82
  5. Step 5: Solve for x
    x = 3,546,197,908.82/77,787.48
  6. Step 6: Final answer
    x = 45,588.29

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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.