Home / 54,404.50-81,582.12-19,345.08

Finding the Fourth Proportional to 54,404.50, 81,582.12 and 19,345.08

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Solution

The fourth proportional to 54,404.50, 81,582.12 and 19,345.08 is: 29,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.50 : 81,582.12 = 19,345.08 : x
  2. Step 2: Convert to fraction form
    54,404.50/81,582.12 = 19,345.08/x
  3. Step 3: Cross multiply
    54,404.50x = 81,582.12 × 19,345.08
  4. Step 4: Simplify right side
    54,404.50x = 1,578,212,637.97
  5. Step 5: Solve for x
    x = 1,578,212,637.97/54,404.50
  6. Step 6: Final answer
    x = 29,008.86

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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.