Home / 77,718.88-116,572.56-30,982.24

Finding the Fourth Proportional to 77,718.88, 116,572.56 and 30,982.24

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Solution

The fourth proportional to 77,718.88, 116,572.56 and 30,982.24 is: 46,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.88 : 116,572.56 = 30,982.24 : x
  2. Step 2: Convert to fraction form
    77,718.88/116,572.56 = 30,982.24/x
  3. Step 3: Cross multiply
    77,718.88x = 116,572.56 × 30,982.24
  4. Step 4: Simplify right side
    77,718.88x = 3,611,679,031.33
  5. Step 5: Solve for x
    x = 3,611,679,031.33/77,718.88
  6. Step 6: Final answer
    x = 46,471.06

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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.