Home / 30,503.57-42,095.64-17,074.49

Finding the Fourth Proportional to 30,503.57, 42,095.64 and 17,074.49

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Solution

The fourth proportional to 30,503.57, 42,095.64 and 17,074.49 is: 23,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.57 : 42,095.64 = 17,074.49 : x
  2. Step 2: Convert to fraction form
    30,503.57/42,095.64 = 17,074.49/x
  3. Step 3: Cross multiply
    30,503.57x = 42,095.64 × 17,074.49
  4. Step 4: Simplify right side
    30,503.57x = 718,761,288.37
  5. Step 5: Solve for x
    x = 718,761,288.37/30,503.57
  6. Step 6: Final answer
    x = 23,563.19

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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.