Home / 30,528.70-45,793.05-27,418.30

Finding the Fourth Proportional to 30,528.70, 45,793.05 and 27,418.30

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Solution

The fourth proportional to 30,528.70, 45,793.05 and 27,418.30 is: 41,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.70 : 45,793.05 = 27,418.30 : x
  2. Step 2: Convert to fraction form
    30,528.70/45,793.05 = 27,418.30/x
  3. Step 3: Cross multiply
    30,528.70x = 45,793.05 × 27,418.30
  4. Step 4: Simplify right side
    30,528.70x = 1,255,567,582.82
  5. Step 5: Solve for x
    x = 1,255,567,582.82/30,528.70
  6. Step 6: Final answer
    x = 41,127.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.