Home / 30,023.40-41,426.40-18,087.39

Finding the Fourth Proportional to 30,023.40, 41,426.40 and 18,087.39

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Solution

The fourth proportional to 30,023.40, 41,426.40 and 18,087.39 is: 24,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.40 : 41,426.40 = 18,087.39 : x
  2. Step 2: Convert to fraction form
    30,023.40/41,426.40 = 18,087.39/x
  3. Step 3: Cross multiply
    30,023.40x = 41,426.40 × 18,087.39
  4. Step 4: Simplify right side
    30,023.40x = 749,295,453.10
  5. Step 5: Solve for x
    x = 749,295,453.10/30,023.40
  6. Step 6: Final answer
    x = 24,957.05

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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.