Home / 54,650.79-81,995.76-19,117.26

Finding the Fourth Proportional to 54,650.79, 81,995.76 and 19,117.26

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Solution

The fourth proportional to 54,650.79, 81,995.76 and 19,117.26 is: 28,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.79 : 81,995.76 = 19,117.26 : x
  2. Step 2: Convert to fraction form
    54,650.79/81,995.76 = 19,117.26/x
  3. Step 3: Cross multiply
    54,650.79x = 81,995.76 × 19,117.26
  4. Step 4: Simplify right side
    54,650.79x = 1,567,534,262.82
  5. Step 5: Solve for x
    x = 1,567,534,262.82/54,650.79
  6. Step 6: Final answer
    x = 28,682.74

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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.