Home / 54,916.80-75,778.40-38,995.44

Finding the Fourth Proportional to 54,916.80, 75,778.40 and 38,995.44

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Solution

The fourth proportional to 54,916.80, 75,778.40 and 38,995.44 is: 53,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.80 : 75,778.40 = 38,995.44 : x
  2. Step 2: Convert to fraction form
    54,916.80/75,778.40 = 38,995.44/x
  3. Step 3: Cross multiply
    54,916.80x = 75,778.40 × 38,995.44
  4. Step 4: Simplify right side
    54,916.80x = 2,955,012,050.50
  5. Step 5: Solve for x
    x = 2,955,012,050.50/54,916.80
  6. Step 6: Final answer
    x = 53,808.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.