Home / 56,424.63-77,867.98-30,930.97

Finding the Fourth Proportional to 56,424.63, 77,867.98 and 30,930.97

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Solution

The fourth proportional to 56,424.63, 77,867.98 and 30,930.97 is: 42,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.63 : 77,867.98 = 30,930.97 : x
  2. Step 2: Convert to fraction form
    56,424.63/77,867.98 = 30,930.97/x
  3. Step 3: Cross multiply
    56,424.63x = 77,867.98 × 30,930.97
  4. Step 4: Simplify right side
    56,424.63x = 2,408,532,153.34
  5. Step 5: Solve for x
    x = 2,408,532,153.34/56,424.63
  6. Step 6: Final answer
    x = 42,685.83

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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.