Home / 56,732.40-78,324.47-50,426.55

Finding the Fourth Proportional to 56,732.40, 78,324.47 and 50,426.55

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Solution

The fourth proportional to 56,732.40, 78,324.47 and 50,426.55 is: 69,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732.40 : 78,324.47 = 50,426.55 : x
  2. Step 2: Convert to fraction form
    56,732.40/78,324.47 = 50,426.55/x
  3. Step 3: Cross multiply
    56,732.40x = 78,324.47 × 50,426.55
  4. Step 4: Simplify right side
    56,732.40x = 3,949,632,739.65
  5. Step 5: Solve for x
    x = 3,949,632,739.65/56,732.40
  6. Step 6: Final answer
    x = 69,618.64

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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.