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Finding the Fourth Proportional to 57,064.96, 85,597.53 and 15,511.96

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Solution

The fourth proportional to 57,064.96, 85,597.53 and 15,511.96 is: 23,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.96 : 85,597.53 = 15,511.96 : x
  2. Step 2: Convert to fraction form
    57,064.96/85,597.53 = 15,511.96/x
  3. Step 3: Cross multiply
    57,064.96x = 85,597.53 × 15,511.96
  4. Step 4: Simplify right side
    57,064.96x = 1,327,785,461.46
  5. Step 5: Solve for x
    x = 1,327,785,461.46/57,064.96
  6. Step 6: Final answer
    x = 23,267.96

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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.