Home / 55,157.18-82,740.83-17,206.65

Finding the Fourth Proportional to 55,157.18, 82,740.83 and 17,206.65

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Solution

The fourth proportional to 55,157.18, 82,740.83 and 17,206.65 is: 25,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.18 : 82,740.83 = 17,206.65 : x
  2. Step 2: Convert to fraction form
    55,157.18/82,740.83 = 17,206.65/x
  3. Step 3: Cross multiply
    55,157.18x = 82,740.83 × 17,206.65
  4. Step 4: Simplify right side
    55,157.18x = 1,423,692,416.49
  5. Step 5: Solve for x
    x = 1,423,692,416.49/55,157.18
  6. Step 6: Final answer
    x = 25,811.55

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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.