Home / 43,145.56-64,718.28-13,566

Finding the Fourth Proportional to 43,145.56, 64,718.28 and 13,566

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Solution

The fourth proportional to 43,145.56, 64,718.28 and 13,566 is: 20,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145.56 : 64,718.28 = 13,566 : x
  2. Step 2: Convert to fraction form
    43,145.56/64,718.28 = 13,566/x
  3. Step 3: Cross multiply
    43,145.56x = 64,718.28 × 13,566
  4. Step 4: Simplify right side
    43,145.56x = 877,968,186.48
  5. Step 5: Solve for x
    x = 877,968,186.48/43,145.56
  6. Step 6: Final answer
    x = 20,348.98

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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.