Home / 31,779.56-47,669.36-11,003.06

Finding the Fourth Proportional to 31,779.56, 47,669.36 and 11,003.06

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Solution

The fourth proportional to 31,779.56, 47,669.36 and 11,003.06 is: 16,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.56 : 47,669.36 = 11,003.06 : x
  2. Step 2: Convert to fraction form
    31,779.56/47,669.36 = 11,003.06/x
  3. Step 3: Cross multiply
    31,779.56x = 47,669.36 × 11,003.06
  4. Step 4: Simplify right side
    31,779.56x = 524,508,892.40
  5. Step 5: Solve for x
    x = 524,508,892.40/31,779.56
  6. Step 6: Final answer
    x = 16,504.60

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1.5x scale

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.