Home / 31,567.78-47,359.91-10,511.02

Finding the Fourth Proportional to 31,567.78, 47,359.91 and 10,511.02

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Solution

The fourth proportional to 31,567.78, 47,359.91 and 10,511.02 is: 15,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.78 : 47,359.91 = 10,511.02 : x
  2. Step 2: Convert to fraction form
    31,567.78/47,359.91 = 10,511.02/x
  3. Step 3: Cross multiply
    31,567.78x = 47,359.91 × 10,511.02
  4. Step 4: Simplify right side
    31,567.78x = 497,800,961.21
  5. Step 5: Solve for x
    x = 497,800,961.21/31,567.78
  6. Step 6: Final answer
    x = 15,769.27

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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.