Home / 31,770.63-47,687.13-26,539.25

Finding the Fourth Proportional to 31,770.63, 47,687.13 and 26,539.25

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Solution

The fourth proportional to 31,770.63, 47,687.13 and 26,539.25 is: 39,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.63 : 47,687.13 = 26,539.25 : x
  2. Step 2: Convert to fraction form
    31,770.63/47,687.13 = 26,539.25/x
  3. Step 3: Cross multiply
    31,770.63x = 47,687.13 × 26,539.25
  4. Step 4: Simplify right side
    31,770.63x = 1,265,580,426.42
  5. Step 5: Solve for x
    x = 1,265,580,426.42/31,770.63
  6. Step 6: Final answer
    x = 39,834.92

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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.