Home / 55,771.08-83,657.61-20,257.59

Finding the Fourth Proportional to 55,771.08, 83,657.61 and 20,257.59

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Solution

The fourth proportional to 55,771.08, 83,657.61 and 20,257.59 is: 30,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.08 : 83,657.61 = 20,257.59 : x
  2. Step 2: Convert to fraction form
    55,771.08/83,657.61 = 20,257.59/x
  3. Step 3: Cross multiply
    55,771.08x = 83,657.61 × 20,257.59
  4. Step 4: Simplify right side
    55,771.08x = 1,694,701,877.48
  5. Step 5: Solve for x
    x = 1,694,701,877.48/55,771.08
  6. Step 6: Final answer
    x = 30,386.75

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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.