Home / 55,429.41-83,122.54-17,980.43

Finding the Fourth Proportional to 55,429.41, 83,122.54 and 17,980.43

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Solution

The fourth proportional to 55,429.41, 83,122.54 and 17,980.43 is: 26,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.41 : 83,122.54 = 17,980.43 : x
  2. Step 2: Convert to fraction form
    55,429.41/83,122.54 = 17,980.43/x
  3. Step 3: Cross multiply
    55,429.41x = 83,122.54 × 17,980.43
  4. Step 4: Simplify right side
    55,429.41x = 1,494,578,618.76
  5. Step 5: Solve for x
    x = 1,494,578,618.76/55,429.41
  6. Step 6: Final answer
    x = 26,963.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.