Home / 30,570.07-45,859.39-28,889.32

Finding the Fourth Proportional to 30,570.07, 45,859.39 and 28,889.32

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Solution

The fourth proportional to 30,570.07, 45,859.39 and 28,889.32 is: 43,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.07 : 45,859.39 = 28,889.32 : x
  2. Step 2: Convert to fraction form
    30,570.07/45,859.39 = 28,889.32/x
  3. Step 3: Cross multiply
    30,570.07x = 45,859.39 × 28,889.32
  4. Step 4: Simplify right side
    30,570.07x = 1,324,846,592.71
  5. Step 5: Solve for x
    x = 1,324,846,592.71/30,570.07
  6. Step 6: Final answer
    x = 43,338.03

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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.