Home / 56,257.23-77,633.59-30,763.76

Finding the Fourth Proportional to 56,257.23, 77,633.59 and 30,763.76

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Solution

The fourth proportional to 56,257.23, 77,633.59 and 30,763.76 is: 42,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,257.23 : 77,633.59 = 30,763.76 : x
  2. Step 2: Convert to fraction form
    56,257.23/77,633.59 = 30,763.76/x
  3. Step 3: Cross multiply
    56,257.23x = 77,633.59 × 30,763.76
  4. Step 4: Simplify right side
    56,257.23x = 2,388,300,976.88
  5. Step 5: Solve for x
    x = 2,388,300,976.88/56,257.23
  6. Step 6: Final answer
    x = 42,453.23

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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.