Home / 51,438.40-77,077.76-35,674.16

Finding the Fourth Proportional to 51,438.40, 77,077.76 and 35,674.16

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Solution

The fourth proportional to 51,438.40, 77,077.76 and 35,674.16 is: 53,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.40 : 77,077.76 = 35,674.16 : x
  2. Step 2: Convert to fraction form
    51,438.40/77,077.76 = 35,674.16/x
  3. Step 3: Cross multiply
    51,438.40x = 77,077.76 × 35,674.16
  4. Step 4: Simplify right side
    51,438.40x = 2,749,684,342.68
  5. Step 5: Solve for x
    x = 2,749,684,342.68/51,438.40
  6. Step 6: Final answer
    x = 53,455.87

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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.