Home / 54,983.02-82,474.72-13,430.02

Finding the Fourth Proportional to 54,983.02, 82,474.72 and 13,430.02

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Solution

The fourth proportional to 54,983.02, 82,474.72 and 13,430.02 is: 20,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,983.02 : 82,474.72 = 13,430.02 : x
  2. Step 2: Convert to fraction form
    54,983.02/82,474.72 = 13,430.02/x
  3. Step 3: Cross multiply
    54,983.02x = 82,474.72 × 13,430.02
  4. Step 4: Simplify right side
    54,983.02x = 1,107,637,139.09
  5. Step 5: Solve for x
    x = 1,107,637,139.09/54,983.02
  6. Step 6: Final answer
    x = 20,145.08

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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.