Home / 38,310.21-57,415.40-19,574.46

Finding the Fourth Proportional to 38,310.21, 57,415.40 and 19,574.46

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Solution

The fourth proportional to 38,310.21, 57,415.40 and 19,574.46 is: 29,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.21 : 57,415.40 = 19,574.46 : x
  2. Step 2: Convert to fraction form
    38,310.21/57,415.40 = 19,574.46/x
  3. Step 3: Cross multiply
    38,310.21x = 57,415.40 × 19,574.46
  4. Step 4: Simplify right side
    38,310.21x = 1,123,875,352.81
  5. Step 5: Solve for x
    x = 1,123,875,352.81/38,310.21
  6. Step 6: Final answer
    x = 29,336.18

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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.