Home / 53,085.85-73,261.50-30,428.61

Finding the Fourth Proportional to 53,085.85, 73,261.50 and 30,428.61

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Solution

The fourth proportional to 53,085.85, 73,261.50 and 30,428.61 is: 41,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.85 : 73,261.50 = 30,428.61 : x
  2. Step 2: Convert to fraction form
    53,085.85/73,261.50 = 30,428.61/x
  3. Step 3: Cross multiply
    53,085.85x = 73,261.50 × 30,428.61
  4. Step 4: Simplify right side
    53,085.85x = 2,229,245,703.09
  5. Step 5: Solve for x
    x = 2,229,245,703.09/53,085.85
  6. Step 6: Final answer
    x = 41,993.22

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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.