Home / 35,970.62-53,956.44-13,785.12

Finding the Fourth Proportional to 35,970.62, 53,956.44 and 13,785.12

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Solution

The fourth proportional to 35,970.62, 53,956.44 and 13,785.12 is: 20,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.62 : 53,956.44 = 13,785.12 : x
  2. Step 2: Convert to fraction form
    35,970.62/53,956.44 = 13,785.12/x
  3. Step 3: Cross multiply
    35,970.62x = 53,956.44 × 13,785.12
  4. Step 4: Simplify right side
    35,970.62x = 743,796,000.17
  5. Step 5: Solve for x
    x = 743,796,000.17/35,970.62
  6. Step 6: Final answer
    x = 20,677.88

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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.