Home / 54,423.50-81,610.62-19,364.08

Finding the Fourth Proportional to 54,423.50, 81,610.62 and 19,364.08

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Solution

The fourth proportional to 54,423.50, 81,610.62 and 19,364.08 is: 29,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.50 : 81,610.62 = 19,364.08 : x
  2. Step 2: Convert to fraction form
    54,423.50/81,610.62 = 19,364.08/x
  3. Step 3: Cross multiply
    54,423.50x = 81,610.62 × 19,364.08
  4. Step 4: Simplify right side
    54,423.50x = 1,580,314,574.53
  5. Step 5: Solve for x
    x = 1,580,314,574.53/54,423.50
  6. Step 6: Final answer
    x = 29,037.36

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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.