Home / 43,166.06-64,748.99-13,586.48

Finding the Fourth Proportional to 43,166.06, 64,748.99 and 13,586.48

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Solution

The fourth proportional to 43,166.06, 64,748.99 and 13,586.48 is: 20,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,166.06 : 64,748.99 = 13,586.48 : x
  2. Step 2: Convert to fraction form
    43,166.06/64,748.99 = 13,586.48/x
  3. Step 3: Cross multiply
    43,166.06x = 64,748.99 × 13,586.48
  4. Step 4: Simplify right side
    43,166.06x = 879,710,465.98
  5. Step 5: Solve for x
    x = 879,710,465.98/43,166.06
  6. Step 6: Final answer
    x = 20,379.68

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1.5x scale

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.