Home / 31,779.31-47,669.29-9,592.87

Finding the Fourth Proportional to 31,779.31, 47,669.29 and 9,592.87

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Solution

The fourth proportional to 31,779.31, 47,669.29 and 9,592.87 is: 14,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.31 : 47,669.29 = 9,592.87 : x
  2. Step 2: Convert to fraction form
    31,779.31/47,669.29 = 9,592.87/x
  3. Step 3: Cross multiply
    31,779.31x = 47,669.29 × 9,592.87
  4. Step 4: Simplify right side
    31,779.31x = 457,285,301.96
  5. Step 5: Solve for x
    x = 457,285,301.96/31,779.31
  6. Step 6: Final answer
    x = 14,389.40

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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.