Home / 30,862.42-42,588.79-17,433.63

Finding the Fourth Proportional to 30,862.42, 42,588.79 and 17,433.63

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Solution

The fourth proportional to 30,862.42, 42,588.79 and 17,433.63 is: 24,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.42 : 42,588.79 = 17,433.63 : x
  2. Step 2: Convert to fraction form
    30,862.42/42,588.79 = 17,433.63/x
  3. Step 3: Cross multiply
    30,862.42x = 42,588.79 × 17,433.63
  4. Step 4: Simplify right side
    30,862.42x = 742,477,163.42
  5. Step 5: Solve for x
    x = 742,477,163.42/30,862.42
  6. Step 6: Final answer
    x = 24,057.65

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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.