Home / 30,592.92-42,216.78-18,018.36

Finding the Fourth Proportional to 30,592.92, 42,216.78 and 18,018.36

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Solution

The fourth proportional to 30,592.92, 42,216.78 and 18,018.36 is: 24,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.92 : 42,216.78 = 18,018.36 : x
  2. Step 2: Convert to fraction form
    30,592.92/42,216.78 = 18,018.36/x
  3. Step 3: Cross multiply
    30,592.92x = 42,216.78 × 18,018.36
  4. Step 4: Simplify right side
    30,592.92x = 760,677,140.08
  5. Step 5: Solve for x
    x = 760,677,140.08/30,592.92
  6. Step 6: Final answer
    x = 24,864.48

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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.