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Finding the Fourth Proportional to 57,259.68, 85,897.62 and 22,202.88

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Solution

The fourth proportional to 57,259.68, 85,897.62 and 22,202.88 is: 33,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.68 : 85,897.62 = 22,202.88 : x
  2. Step 2: Convert to fraction form
    57,259.68/85,897.62 = 22,202.88/x
  3. Step 3: Cross multiply
    57,259.68x = 85,897.62 × 22,202.88
  4. Step 4: Simplify right side
    57,259.68x = 1,907,174,549.15
  5. Step 5: Solve for x
    x = 1,907,174,549.15/57,259.68
  6. Step 6: Final answer
    x = 33,307.46

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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.