Home / 53,354.05-80,007.50-28,388.18

Finding the Fourth Proportional to 53,354.05, 80,007.50 and 28,388.18

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Solution

The fourth proportional to 53,354.05, 80,007.50 and 28,388.18 is: 42,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.05 : 80,007.50 = 28,388.18 : x
  2. Step 2: Convert to fraction form
    53,354.05/80,007.50 = 28,388.18/x
  3. Step 3: Cross multiply
    53,354.05x = 80,007.50 × 28,388.18
  4. Step 4: Simplify right side
    53,354.05x = 2,271,267,311.35
  5. Step 5: Solve for x
    x = 2,271,267,311.35/53,354.05
  6. Step 6: Final answer
    x = 42,569.73

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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.