Home / 50,749.51-76,128.76-13,309.46

Finding the Fourth Proportional to 50,749.51, 76,128.76 and 13,309.46

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Solution

The fourth proportional to 50,749.51, 76,128.76 and 13,309.46 is: 19,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.51 : 76,128.76 = 13,309.46 : x
  2. Step 2: Convert to fraction form
    50,749.51/76,128.76 = 13,309.46/x
  3. Step 3: Cross multiply
    50,749.51x = 76,128.76 × 13,309.46
  4. Step 4: Simplify right side
    50,749.51x = 1,013,232,686.07
  5. Step 5: Solve for x
    x = 1,013,232,686.07/50,749.51
  6. Step 6: Final answer
    x = 19,965.37

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1.5x scale

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.