Home / 56,718.33-78,304.99-50,412.68

Finding the Fourth Proportional to 56,718.33, 78,304.99 and 50,412.68

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Solution

The fourth proportional to 56,718.33, 78,304.99 and 50,412.68 is: 69,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.33 : 78,304.99 = 50,412.68 : x
  2. Step 2: Convert to fraction form
    56,718.33/78,304.99 = 50,412.68/x
  3. Step 3: Cross multiply
    56,718.33x = 78,304.99 × 50,412.68
  4. Step 4: Simplify right side
    56,718.33x = 3,947,564,662.05
  5. Step 5: Solve for x
    x = 3,947,564,662.05/56,718.33
  6. Step 6: Final answer
    x = 69,599.45

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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.