Home / 31,559.23-47,312.33-13,776.36

Finding the Fourth Proportional to 31,559.23, 47,312.33 and 13,776.36

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Solution

The fourth proportional to 31,559.23, 47,312.33 and 13,776.36 is: 20,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.23 : 47,312.33 = 13,776.36 : x
  2. Step 2: Convert to fraction form
    31,559.23/47,312.33 = 13,776.36/x
  3. Step 3: Cross multiply
    31,559.23x = 47,312.33 × 13,776.36
  4. Step 4: Simplify right side
    31,559.23x = 651,791,453.96
  5. Step 5: Solve for x
    x = 651,791,453.96/31,559.23
  6. Step 6: Final answer
    x = 20,652.96

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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.