Home / 58,806.71-81,135.39-33,309.03

Finding the Fourth Proportional to 58,806.71, 81,135.39 and 33,309.03

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Solution

The fourth proportional to 58,806.71, 81,135.39 and 33,309.03 is: 45,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.71 : 81,135.39 = 33,309.03 : x
  2. Step 2: Convert to fraction form
    58,806.71/81,135.39 = 33,309.03/x
  3. Step 3: Cross multiply
    58,806.71x = 81,135.39 × 33,309.03
  4. Step 4: Simplify right side
    58,806.71x = 2,702,541,139.57
  5. Step 5: Solve for x
    x = 2,702,541,139.57/58,806.71
  6. Step 6: Final answer
    x = 45,956.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.