Home / 55,577.60-83,404.80-40,006.40

Finding the Fourth Proportional to 55,577.60, 83,404.80 and 40,006.40

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Solution

The fourth proportional to 55,577.60, 83,404.80 and 40,006.40 is: 60,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.60 : 83,404.80 = 40,006.40 : x
  2. Step 2: Convert to fraction form
    55,577.60/83,404.80 = 40,006.40/x
  3. Step 3: Cross multiply
    55,577.60x = 83,404.80 × 40,006.40
  4. Step 4: Simplify right side
    55,577.60x = 3,336,725,790.72
  5. Step 5: Solve for x
    x = 3,336,725,790.72/55,577.60
  6. Step 6: Final answer
    x = 60,037.24

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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.