Home / 31,022.87-42,810.66-17,595.36

Finding the Fourth Proportional to 31,022.87, 42,810.66 and 17,595.36

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Solution

The fourth proportional to 31,022.87, 42,810.66 and 17,595.36 is: 24,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022.87 : 42,810.66 = 17,595.36 : x
  2. Step 2: Convert to fraction form
    31,022.87/42,810.66 = 17,595.36/x
  3. Step 3: Cross multiply
    31,022.87x = 42,810.66 × 17,595.36
  4. Step 4: Simplify right side
    31,022.87x = 753,268,974.54
  5. Step 5: Solve for x
    x = 753,268,974.54/31,022.87
  6. Step 6: Final answer
    x = 24,281.09

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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.