Home / 31,779.09-47,650.10-9,585.81

Finding the Fourth Proportional to 31,779.09, 47,650.10 and 9,585.81

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Solution

The fourth proportional to 31,779.09, 47,650.10 and 9,585.81 is: 14,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.09 : 47,650.10 = 9,585.81 : x
  2. Step 2: Convert to fraction form
    31,779.09/47,650.10 = 9,585.81/x
  3. Step 3: Cross multiply
    31,779.09x = 47,650.10 × 9,585.81
  4. Step 4: Simplify right side
    31,779.09x = 456,764,757.15
  5. Step 5: Solve for x
    x = 456,764,757.15/31,779.09
  6. Step 6: Final answer
    x = 14,373.12

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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.