Home / 30,524.08-42,127.68-18,594.40

Finding the Fourth Proportional to 30,524.08, 42,127.68 and 18,594.40

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Solution

The fourth proportional to 30,524.08, 42,127.68 and 18,594.40 is: 25,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.08 : 42,127.68 = 18,594.40 : x
  2. Step 2: Convert to fraction form
    30,524.08/42,127.68 = 18,594.40/x
  3. Step 3: Cross multiply
    30,524.08x = 42,127.68 × 18,594.40
  4. Step 4: Simplify right side
    30,524.08x = 783,338,932.99
  5. Step 5: Solve for x
    x = 783,338,932.99/30,524.08
  6. Step 6: Final answer
    x = 25,662.98

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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.