Home / 51,728.04-71,322.08-40,246.29

Finding the Fourth Proportional to 51,728.04, 71,322.08 and 40,246.29

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Solution

The fourth proportional to 51,728.04, 71,322.08 and 40,246.29 is: 55,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.04 : 71,322.08 = 40,246.29 : x
  2. Step 2: Convert to fraction form
    51,728.04/71,322.08 = 40,246.29/x
  3. Step 3: Cross multiply
    51,728.04x = 71,322.08 × 40,246.29
  4. Step 4: Simplify right side
    51,728.04x = 2,870,448,913.85
  5. Step 5: Solve for x
    x = 2,870,448,913.85/51,728.04
  6. Step 6: Final answer
    x = 55,491.16

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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.