Home / 30,473.20-42,051.06-17,042.13

Finding the Fourth Proportional to 30,473.20, 42,051.06 and 17,042.13

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Solution

The fourth proportional to 30,473.20, 42,051.06 and 17,042.13 is: 23,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.20 : 42,051.06 = 17,042.13 : x
  2. Step 2: Convert to fraction form
    30,473.20/42,051.06 = 17,042.13/x
  3. Step 3: Cross multiply
    30,473.20x = 42,051.06 × 17,042.13
  4. Step 4: Simplify right side
    30,473.20x = 716,639,631.16
  5. Step 5: Solve for x
    x = 716,639,631.16/30,473.20
  6. Step 6: Final answer
    x = 23,517.05

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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.