Home / 37,381.26-51,585.98-20,385.46

Finding the Fourth Proportional to 37,381.26, 51,585.98 and 20,385.46

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Solution

The fourth proportional to 37,381.26, 51,585.98 and 20,385.46 is: 28,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.26 : 51,585.98 = 20,385.46 : x
  2. Step 2: Convert to fraction form
    37,381.26/51,585.98 = 20,385.46/x
  3. Step 3: Cross multiply
    37,381.26x = 51,585.98 × 20,385.46
  4. Step 4: Simplify right side
    37,381.26x = 1,051,603,921.32
  5. Step 5: Solve for x
    x = 1,051,603,921.32/37,381.26
  6. Step 6: Final answer
    x = 28,131.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.