Home / 30,542.20-42,168.54-23,455.96

Finding the Fourth Proportional to 30,542.20, 42,168.54 and 23,455.96

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Solution

The fourth proportional to 30,542.20, 42,168.54 and 23,455.96 is: 32,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.20 : 42,168.54 = 23,455.96 : x
  2. Step 2: Convert to fraction form
    30,542.20/42,168.54 = 23,455.96/x
  3. Step 3: Cross multiply
    30,542.20x = 42,168.54 × 23,455.96
  4. Step 4: Simplify right side
    30,542.20x = 989,103,587.50
  5. Step 5: Solve for x
    x = 989,103,587.50/30,542.20
  6. Step 6: Final answer
    x = 32,384.82

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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.