Home / 43,165.93-64,748.80-13,586.35

Finding the Fourth Proportional to 43,165.93, 64,748.80 and 13,586.35

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Solution

The fourth proportional to 43,165.93, 64,748.80 and 13,586.35 is: 20,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.93 : 64,748.80 = 13,586.35 : x
  2. Step 2: Convert to fraction form
    43,165.93/64,748.80 = 13,586.35/x
  3. Step 3: Cross multiply
    43,165.93x = 64,748.80 × 13,586.35
  4. Step 4: Simplify right side
    43,165.93x = 879,699,858.88
  5. Step 5: Solve for x
    x = 879,699,858.88/43,165.93
  6. Step 6: Final answer
    x = 20,379.50

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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.