Home / 30,470.91-42,050.75-17,041.87

Finding the Fourth Proportional to 30,470.91, 42,050.75 and 17,041.87

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Solution

The fourth proportional to 30,470.91, 42,050.75 and 17,041.87 is: 23,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.91 : 42,050.75 = 17,041.87 : x
  2. Step 2: Convert to fraction form
    30,470.91/42,050.75 = 17,041.87/x
  3. Step 3: Cross multiply
    30,470.91x = 42,050.75 × 17,041.87
  4. Step 4: Simplify right side
    30,470.91x = 716,623,414.90
  5. Step 5: Solve for x
    x = 716,623,414.90/30,470.91
  6. Step 6: Final answer
    x = 23,518.28

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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.