Home / 30,497.10-42,080.88-17,068.51

Finding the Fourth Proportional to 30,497.10, 42,080.88 and 17,068.51

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Solution

The fourth proportional to 30,497.10, 42,080.88 and 17,068.51 is: 23,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497.10 : 42,080.88 = 17,068.51 : x
  2. Step 2: Convert to fraction form
    30,497.10/42,080.88 = 17,068.51/x
  3. Step 3: Cross multiply
    30,497.10x = 42,080.88 × 17,068.51
  4. Step 4: Simplify right side
    30,497.10x = 718,257,921.09
  5. Step 5: Solve for x
    x = 718,257,921.09/30,497.10
  6. Step 6: Final answer
    x = 23,551.68

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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.