Home / 30,614.42-42,246.77-17,186.45

Finding the Fourth Proportional to 30,614.42, 42,246.77 and 17,186.45

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Solution

The fourth proportional to 30,614.42, 42,246.77 and 17,186.45 is: 23,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.42 : 42,246.77 = 17,186.45 : x
  2. Step 2: Convert to fraction form
    30,614.42/42,246.77 = 17,186.45/x
  3. Step 3: Cross multiply
    30,614.42x = 42,246.77 × 17,186.45
  4. Step 4: Simplify right side
    30,614.42x = 726,071,703.10
  5. Step 5: Solve for x
    x = 726,071,703.10/30,614.42
  6. Step 6: Final answer
    x = 23,716.66

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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.