Home / 35,654.56-53,366.16-18,990.88

Finding the Fourth Proportional to 35,654.56, 53,366.16 and 18,990.88

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Solution

The fourth proportional to 35,654.56, 53,366.16 and 18,990.88 is: 28,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.56 : 53,366.16 = 18,990.88 : x
  2. Step 2: Convert to fraction form
    35,654.56/53,366.16 = 18,990.88/x
  3. Step 3: Cross multiply
    35,654.56x = 53,366.16 × 18,990.88
  4. Step 4: Simplify right side
    35,654.56x = 1,013,470,340.62
  5. Step 5: Solve for x
    x = 1,013,470,340.62/35,654.56
  6. Step 6: Final answer
    x = 28,424.70

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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.