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Finding the Fourth Proportional to 55,877.58, 83,814.21 and 18,941.58

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Solution

The fourth proportional to 55,877.58, 83,814.21 and 18,941.58 is: 28,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.58 : 83,814.21 = 18,941.58 : x
  2. Step 2: Convert to fraction form
    55,877.58/83,814.21 = 18,941.58/x
  3. Step 3: Cross multiply
    55,877.58x = 83,814.21 × 18,941.58
  4. Step 4: Simplify right side
    55,877.58x = 1,587,573,563.85
  5. Step 5: Solve for x
    x = 1,587,573,563.85/55,877.58
  6. Step 6: Final answer
    x = 28,411.64

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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.