Home / 56,422.63-77,865.22-30,928.97

Finding the Fourth Proportional to 56,422.63, 77,865.22 and 30,928.97

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Solution

The fourth proportional to 56,422.63, 77,865.22 and 30,928.97 is: 42,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.63 : 77,865.22 = 30,928.97 : x
  2. Step 2: Convert to fraction form
    56,422.63/77,865.22 = 30,928.97/x
  3. Step 3: Cross multiply
    56,422.63x = 77,865.22 × 30,928.97
  4. Step 4: Simplify right side
    56,422.63x = 2,408,291,112.77
  5. Step 5: Solve for x
    x = 2,408,291,112.77/56,422.63
  6. Step 6: Final answer
    x = 42,683.07

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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.