Home / 43,296.08-64,950.48-13,707.20

Finding the Fourth Proportional to 43,296.08, 64,950.48 and 13,707.20

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Solution

The fourth proportional to 43,296.08, 64,950.48 and 13,707.20 is: 20,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,296.08 : 64,950.48 = 13,707.20 : x
  2. Step 2: Convert to fraction form
    43,296.08/64,950.48 = 13,707.20/x
  3. Step 3: Cross multiply
    43,296.08x = 64,950.48 × 13,707.20
  4. Step 4: Simplify right side
    43,296.08x = 890,289,219.46
  5. Step 5: Solve for x
    x = 890,289,219.46/43,296.08
  6. Step 6: Final answer
    x = 20,562.81

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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.