Home / 45,675.95-68,527.76-20,709.29

Finding the Fourth Proportional to 45,675.95, 68,527.76 and 20,709.29

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Solution

The fourth proportional to 45,675.95, 68,527.76 and 20,709.29 is: 31,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.95 : 68,527.76 = 20,709.29 : x
  2. Step 2: Convert to fraction form
    45,675.95/68,527.76 = 20,709.29/x
  3. Step 3: Cross multiply
    45,675.95x = 68,527.76 × 20,709.29
  4. Step 4: Simplify right side
    45,675.95x = 1,419,161,254.89
  5. Step 5: Solve for x
    x = 1,419,161,254.89/45,675.95
  6. Step 6: Final answer
    x = 31,070.21

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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.