Home / 42,724.92-58,877.11-30,765.68

Finding the Fourth Proportional to 42,724.92, 58,877.11 and 30,765.68

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Solution

The fourth proportional to 42,724.92, 58,877.11 and 30,765.68 is: 42,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.92 : 58,877.11 = 30,765.68 : x
  2. Step 2: Convert to fraction form
    42,724.92/58,877.11 = 30,765.68/x
  3. Step 3: Cross multiply
    42,724.92x = 58,877.11 × 30,765.68
  4. Step 4: Simplify right side
    42,724.92x = 1,811,394,325.58
  5. Step 5: Solve for x
    x = 1,811,394,325.58/42,724.92
  6. Step 6: Final answer
    x = 42,396.67

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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.