Home / 30,677.95-42,336.03-17,249.14

Finding the Fourth Proportional to 30,677.95, 42,336.03 and 17,249.14

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Solution

The fourth proportional to 30,677.95, 42,336.03 and 17,249.14 is: 23,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.95 : 42,336.03 = 17,249.14 : x
  2. Step 2: Convert to fraction form
    30,677.95/42,336.03 = 17,249.14/x
  3. Step 3: Cross multiply
    30,677.95x = 42,336.03 × 17,249.14
  4. Step 4: Simplify right side
    30,677.95x = 730,260,108.51
  5. Step 5: Solve for x
    x = 730,260,108.51/30,677.95
  6. Step 6: Final answer
    x = 23,804.07

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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.