Home / 37,159.04-51,277.92-20,390.96

Finding the Fourth Proportional to 37,159.04, 51,277.92 and 20,390.96

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Solution

The fourth proportional to 37,159.04, 51,277.92 and 20,390.96 is: 28,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,159.04 : 51,277.92 = 20,390.96 : x
  2. Step 2: Convert to fraction form
    37,159.04/51,277.92 = 20,390.96/x
  3. Step 3: Cross multiply
    37,159.04x = 51,277.92 × 20,390.96
  4. Step 4: Simplify right side
    37,159.04x = 1,045,606,015.60
  5. Step 5: Solve for x
    x = 1,045,606,015.60/37,159.04
  6. Step 6: Final answer
    x = 28,138.67

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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.