Home / 51,814.04-77,722.37-38,749.34

Finding the Fourth Proportional to 51,814.04, 77,722.37 and 38,749.34

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Solution

The fourth proportional to 51,814.04, 77,722.37 and 38,749.34 is: 58,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,814.04 : 77,722.37 = 38,749.34 : x
  2. Step 2: Convert to fraction form
    51,814.04/77,722.37 = 38,749.34/x
  3. Step 3: Cross multiply
    51,814.04x = 77,722.37 × 38,749.34
  4. Step 4: Simplify right side
    51,814.04x = 3,011,689,958.38
  5. Step 5: Solve for x
    x = 3,011,689,958.38/51,814.04
  6. Step 6: Final answer
    x = 58,124.98

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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.