Home / 53,382.93-73,675.76-30,721.43

Finding the Fourth Proportional to 53,382.93, 73,675.76 and 30,721.43

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Solution

The fourth proportional to 53,382.93, 73,675.76 and 30,721.43 is: 42,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.93 : 73,675.76 = 30,721.43 : x
  2. Step 2: Convert to fraction form
    53,382.93/73,675.76 = 30,721.43/x
  3. Step 3: Cross multiply
    53,382.93x = 73,675.76 × 30,721.43
  4. Step 4: Simplify right side
    53,382.93x = 2,263,424,181.55
  5. Step 5: Solve for x
    x = 2,263,424,181.55/53,382.93
  6. Step 6: Final answer
    x = 42,399.77

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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.