Home / 57,147.52-85,726.93-19,702.67

Finding the Fourth Proportional to 57,147.52, 85,726.93 and 19,702.67

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Solution

The fourth proportional to 57,147.52, 85,726.93 and 19,702.67 is: 29,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.52 : 85,726.93 = 19,702.67 : x
  2. Step 2: Convert to fraction form
    57,147.52/85,726.93 = 19,702.67/x
  3. Step 3: Cross multiply
    57,147.52x = 85,726.93 × 19,702.67
  4. Step 4: Simplify right side
    57,147.52x = 1,689,049,576.96
  5. Step 5: Solve for x
    x = 1,689,049,576.96/57,147.52
  6. Step 6: Final answer
    x = 29,555.95

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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.