Home / 51,644.08-77,457.18-13,693.60

Finding the Fourth Proportional to 51,644.08, 77,457.18 and 13,693.60

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Solution

The fourth proportional to 51,644.08, 77,457.18 and 13,693.60 is: 20,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,644.08 : 77,457.18 = 13,693.60 : x
  2. Step 2: Convert to fraction form
    51,644.08/77,457.18 = 13,693.60/x
  3. Step 3: Cross multiply
    51,644.08x = 77,457.18 × 13,693.60
  4. Step 4: Simplify right side
    51,644.08x = 1,060,667,446.41
  5. Step 5: Solve for x
    x = 1,060,667,446.41/51,644.08
  6. Step 6: Final answer
    x = 20,538.03

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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.