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Finding the Fourth Proportional to 56,900.58, 85,308.62 and 27,290.22

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Solution

The fourth proportional to 56,900.58, 85,308.62 and 27,290.22 is: 40,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.58 : 85,308.62 = 27,290.22 : x
  2. Step 2: Convert to fraction form
    56,900.58/85,308.62 = 27,290.22/x
  3. Step 3: Cross multiply
    56,900.58x = 85,308.62 × 27,290.22
  4. Step 4: Simplify right side
    56,900.58x = 2,328,090,871.25
  5. Step 5: Solve for x
    x = 2,328,090,871.25/56,900.58
  6. Step 6: Final answer
    x = 40,915.06

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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.