Home / 57,309.97-79,088.45-31,816.84

Finding the Fourth Proportional to 57,309.97, 79,088.45 and 31,816.84

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Solution

The fourth proportional to 57,309.97, 79,088.45 and 31,816.84 is: 43,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.97 : 79,088.45 = 31,816.84 : x
  2. Step 2: Convert to fraction form
    57,309.97/79,088.45 = 31,816.84/x
  3. Step 3: Cross multiply
    57,309.97x = 79,088.45 × 31,816.84
  4. Step 4: Simplify right side
    57,309.97x = 2,516,344,559.50
  5. Step 5: Solve for x
    x = 2,516,344,559.50/57,309.97
  6. Step 6: Final answer
    x = 43,907.62

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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.