Home / 51,328.95-77,130.12-27,654.68

Finding the Fourth Proportional to 51,328.95, 77,130.12 and 27,654.68

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Solution

The fourth proportional to 51,328.95, 77,130.12 and 27,654.68 is: 41,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.95 : 77,130.12 = 27,654.68 : x
  2. Step 2: Convert to fraction form
    51,328.95/77,130.12 = 27,654.68/x
  3. Step 3: Cross multiply
    51,328.95x = 77,130.12 × 27,654.68
  4. Step 4: Simplify right side
    51,328.95x = 2,133,008,786.96
  5. Step 5: Solve for x
    x = 2,133,008,786.96/51,328.95
  6. Step 6: Final answer
    x = 41,555.67

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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.