Home / 32,779.88-45,235.83-18,631.81

Finding the Fourth Proportional to 32,779.88, 45,235.83 and 18,631.81

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Solution

The fourth proportional to 32,779.88, 45,235.83 and 18,631.81 is: 25,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.88 : 45,235.83 = 18,631.81 : x
  2. Step 2: Convert to fraction form
    32,779.88/45,235.83 = 18,631.81/x
  3. Step 3: Cross multiply
    32,779.88x = 45,235.83 × 18,631.81
  4. Step 4: Simplify right side
    32,779.88x = 842,825,389.75
  5. Step 5: Solve for x
    x = 842,825,389.75/32,779.88
  6. Step 6: Final answer
    x = 25,711.67

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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.