Home / 56,979.90-85,488.84-35,895.60

Finding the Fourth Proportional to 56,979.90, 85,488.84 and 35,895.60

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Solution

The fourth proportional to 56,979.90, 85,488.84 and 35,895.60 is: 53,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.90 : 85,488.84 = 35,895.60 : x
  2. Step 2: Convert to fraction form
    56,979.90/85,488.84 = 35,895.60/x
  3. Step 3: Cross multiply
    56,979.90x = 85,488.84 × 35,895.60
  4. Step 4: Simplify right side
    56,979.90x = 3,068,673,205.10
  5. Step 5: Solve for x
    x = 3,068,673,205.10/56,979.90
  6. Step 6: Final answer
    x = 53,855.36

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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.