Home / 30,140.28-41,588.28-17,390.52

Finding the Fourth Proportional to 30,140.28, 41,588.28 and 17,390.52

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Solution

The fourth proportional to 30,140.28, 41,588.28 and 17,390.52 is: 23,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.28 : 41,588.28 = 17,390.52 : x
  2. Step 2: Convert to fraction form
    30,140.28/41,588.28 = 17,390.52/x
  3. Step 3: Cross multiply
    30,140.28x = 41,588.28 × 17,390.52
  4. Step 4: Simplify right side
    30,140.28x = 723,241,815.11
  5. Step 5: Solve for x
    x = 723,241,815.11/30,140.28
  6. Step 6: Final answer
    x = 23,995.86

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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.