Home / 30,471.41-42,051.45-17,042.37

Finding the Fourth Proportional to 30,471.41, 42,051.45 and 17,042.37

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Solution

The fourth proportional to 30,471.41, 42,051.45 and 17,042.37 is: 23,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.41 : 42,051.45 = 17,042.37 : x
  2. Step 2: Convert to fraction form
    30,471.41/42,051.45 = 17,042.37/x
  3. Step 3: Cross multiply
    30,471.41x = 42,051.45 × 17,042.37
  4. Step 4: Simplify right side
    30,471.41x = 716,656,369.94
  5. Step 5: Solve for x
    x = 716,656,369.94/30,471.41
  6. Step 6: Final answer
    x = 23,518.98

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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.