Home / 53,133.31-79,749.24-26,856.51

Finding the Fourth Proportional to 53,133.31, 79,749.24 and 26,856.51

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Solution

The fourth proportional to 53,133.31, 79,749.24 and 26,856.51 is: 40,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.31 : 79,749.24 = 26,856.51 : x
  2. Step 2: Convert to fraction form
    53,133.31/79,749.24 = 26,856.51/x
  3. Step 3: Cross multiply
    53,133.31x = 79,749.24 × 26,856.51
  4. Step 4: Simplify right side
    53,133.31x = 2,141,786,261.55
  5. Step 5: Solve for x
    x = 2,141,786,261.55/53,133.31
  6. Step 6: Final answer
    x = 40,309.67

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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.