Home / 56,202.39-77,556.96-30,708.18

Finding the Fourth Proportional to 56,202.39, 77,556.96 and 30,708.18

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Solution

The fourth proportional to 56,202.39, 77,556.96 and 30,708.18 is: 42,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.39 : 77,556.96 = 30,708.18 : x
  2. Step 2: Convert to fraction form
    56,202.39/77,556.96 = 30,708.18/x
  3. Step 3: Cross multiply
    56,202.39x = 77,556.96 × 30,708.18
  4. Step 4: Simplify right side
    56,202.39x = 2,381,633,087.93
  5. Step 5: Solve for x
    x = 2,381,633,087.93/56,202.39
  6. Step 6: Final answer
    x = 42,376.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.