Home / 43,240.50-64,864.26-13,660.02

Finding the Fourth Proportional to 43,240.50, 64,864.26 and 13,660.02

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Solution

The fourth proportional to 43,240.50, 64,864.26 and 13,660.02 is: 20,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.50 : 64,864.26 = 13,660.02 : x
  2. Step 2: Convert to fraction form
    43,240.50/64,864.26 = 13,660.02/x
  3. Step 3: Cross multiply
    43,240.50x = 64,864.26 × 13,660.02
  4. Step 4: Simplify right side
    43,240.50x = 886,047,088.89
  5. Step 5: Solve for x
    x = 886,047,088.89/43,240.50
  6. Step 6: Final answer
    x = 20,491.14

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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.