Home / 47,567.67-71,345.80-12,510.06

Finding the Fourth Proportional to 47,567.67, 71,345.80 and 12,510.06

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Solution

The fourth proportional to 47,567.67, 71,345.80 and 12,510.06 is: 18,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,567.67 : 71,345.80 = 12,510.06 : x
  2. Step 2: Convert to fraction form
    47,567.67/71,345.80 = 12,510.06/x
  3. Step 3: Cross multiply
    47,567.67x = 71,345.80 × 12,510.06
  4. Step 4: Simplify right side
    47,567.67x = 892,540,238.75
  5. Step 5: Solve for x
    x = 892,540,238.75/47,567.67
  6. Step 6: Final answer
    x = 18,763.59

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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.