Home / 56,215.28-83,696.38-55,430.36

Finding the Fourth Proportional to 56,215.28, 83,696.38 and 55,430.36

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Solution

The fourth proportional to 56,215.28, 83,696.38 and 55,430.36 is: 82,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,215.28 : 83,696.38 = 55,430.36 : x
  2. Step 2: Convert to fraction form
    56,215.28/83,696.38 = 55,430.36/x
  3. Step 3: Cross multiply
    56,215.28x = 83,696.38 × 55,430.36
  4. Step 4: Simplify right side
    56,215.28x = 4,639,320,474.10
  5. Step 5: Solve for x
    x = 4,639,320,474.10/56,215.28
  6. Step 6: Final answer
    x = 82,527.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.