Home / 55,228.50-82,840.93-17,790.71

Finding the Fourth Proportional to 55,228.50, 82,840.93 and 17,790.71

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Solution

The fourth proportional to 55,228.50, 82,840.93 and 17,790.71 is: 26,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.50 : 82,840.93 = 17,790.71 : x
  2. Step 2: Convert to fraction form
    55,228.50/82,840.93 = 17,790.71/x
  3. Step 3: Cross multiply
    55,228.50x = 82,840.93 × 17,790.71
  4. Step 4: Simplify right side
    55,228.50x = 1,473,798,503.08
  5. Step 5: Solve for x
    x = 1,473,798,503.08/55,228.50
  6. Step 6: Final answer
    x = 26,685.47

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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.