Home / 53,995.92-81,003.06-18,455.28

Finding the Fourth Proportional to 53,995.92, 81,003.06 and 18,455.28

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Solution

The fourth proportional to 53,995.92, 81,003.06 and 18,455.28 is: 27,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.92 : 81,003.06 = 18,455.28 : x
  2. Step 2: Convert to fraction form
    53,995.92/81,003.06 = 18,455.28/x
  3. Step 3: Cross multiply
    53,995.92x = 81,003.06 × 18,455.28
  4. Step 4: Simplify right side
    53,995.92x = 1,494,934,153.16
  5. Step 5: Solve for x
    x = 1,494,934,153.16/53,995.92
  6. Step 6: Final answer
    x = 27,686.06

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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.