Home / 51,421.34-77,141.66-23,343.36

Finding the Fourth Proportional to 51,421.34, 77,141.66 and 23,343.36

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Solution

The fourth proportional to 51,421.34, 77,141.66 and 23,343.36 is: 35,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.34 : 77,141.66 = 23,343.36 : x
  2. Step 2: Convert to fraction form
    51,421.34/77,141.66 = 23,343.36/x
  3. Step 3: Cross multiply
    51,421.34x = 77,141.66 × 23,343.36
  4. Step 4: Simplify right side
    51,421.34x = 1,800,745,423.66
  5. Step 5: Solve for x
    x = 1,800,745,423.66/51,421.34
  6. Step 6: Final answer
    x = 35,019.42

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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.