Home / 30,581.37-42,200.87-17,149.95

Finding the Fourth Proportional to 30,581.37, 42,200.87 and 17,149.95

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Solution

The fourth proportional to 30,581.37, 42,200.87 and 17,149.95 is: 23,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.37 : 42,200.87 = 17,149.95 : x
  2. Step 2: Convert to fraction form
    30,581.37/42,200.87 = 17,149.95/x
  3. Step 3: Cross multiply
    30,581.37x = 42,200.87 × 17,149.95
  4. Step 4: Simplify right side
    30,581.37x = 723,742,724.71
  5. Step 5: Solve for x
    x = 723,742,724.71/30,581.37
  6. Step 6: Final answer
    x = 23,666.13

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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.