Home / 30,681.34-42,328.26-17,249.50

Finding the Fourth Proportional to 30,681.34, 42,328.26 and 17,249.50

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Solution

The fourth proportional to 30,681.34, 42,328.26 and 17,249.50 is: 23,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.34 : 42,328.26 = 17,249.50 : x
  2. Step 2: Convert to fraction form
    30,681.34/42,328.26 = 17,249.50/x
  3. Step 3: Cross multiply
    30,681.34x = 42,328.26 × 17,249.50
  4. Step 4: Simplify right side
    30,681.34x = 730,141,320.87
  5. Step 5: Solve for x
    x = 730,141,320.87/30,681.34
  6. Step 6: Final answer
    x = 23,797.57

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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.