Home / 52,604.64-78,939.77-30,428.46

Finding the Fourth Proportional to 52,604.64, 78,939.77 and 30,428.46

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Solution

The fourth proportional to 52,604.64, 78,939.77 and 30,428.46 is: 45,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.64 : 78,939.77 = 30,428.46 : x
  2. Step 2: Convert to fraction form
    52,604.64/78,939.77 = 30,428.46/x
  3. Step 3: Cross multiply
    52,604.64x = 78,939.77 × 30,428.46
  4. Step 4: Simplify right side
    52,604.64x = 2,402,015,481.71
  5. Step 5: Solve for x
    x = 2,402,015,481.71/52,604.64
  6. Step 6: Final answer
    x = 45,661.67

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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.