Home / 35,432.36-48,902.20-20,898.14

Finding the Fourth Proportional to 35,432.36, 48,902.20 and 20,898.14

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Solution

The fourth proportional to 35,432.36, 48,902.20 and 20,898.14 is: 28,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,432.36 : 48,902.20 = 20,898.14 : x
  2. Step 2: Convert to fraction form
    35,432.36/48,902.20 = 20,898.14/x
  3. Step 3: Cross multiply
    35,432.36x = 48,902.20 × 20,898.14
  4. Step 4: Simplify right side
    35,432.36x = 1,021,965,021.91
  5. Step 5: Solve for x
    x = 1,021,965,021.91/35,432.36
  6. Step 6: Final answer
    x = 28,842.70

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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.