Home / 30,505.58-42,095.38-17,073.75

Finding the Fourth Proportional to 30,505.58, 42,095.38 and 17,073.75

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Solution

The fourth proportional to 30,505.58, 42,095.38 and 17,073.75 is: 23,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.58 : 42,095.38 = 17,073.75 : x
  2. Step 2: Convert to fraction form
    30,505.58/42,095.38 = 17,073.75/x
  3. Step 3: Cross multiply
    30,505.58x = 42,095.38 × 17,073.75
  4. Step 4: Simplify right side
    30,505.58x = 718,725,994.28
  5. Step 5: Solve for x
    x = 718,725,994.28/30,505.58
  6. Step 6: Final answer
    x = 23,560.48

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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.