Home / 54,826.68-82,240.02-19,314.30

Finding the Fourth Proportional to 54,826.68, 82,240.02 and 19,314.30

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Solution

The fourth proportional to 54,826.68, 82,240.02 and 19,314.30 is: 28,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,826.68 : 82,240.02 = 19,314.30 : x
  2. Step 2: Convert to fraction form
    54,826.68/82,240.02 = 19,314.30/x
  3. Step 3: Cross multiply
    54,826.68x = 82,240.02 × 19,314.30
  4. Step 4: Simplify right side
    54,826.68x = 1,588,408,418.29
  5. Step 5: Solve for x
    x = 1,588,408,418.29/54,826.68
  6. Step 6: Final answer
    x = 28,971.45

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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.