Home / 53,956.08-74,457.72-30,080.88

Finding the Fourth Proportional to 53,956.08, 74,457.72 and 30,080.88

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Solution

The fourth proportional to 53,956.08, 74,457.72 and 30,080.88 is: 41,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.08 : 74,457.72 = 30,080.88 : x
  2. Step 2: Convert to fraction form
    53,956.08/74,457.72 = 30,080.88/x
  3. Step 3: Cross multiply
    53,956.08x = 74,457.72 × 30,080.88
  4. Step 4: Simplify right side
    53,956.08x = 2,239,753,740.39
  5. Step 5: Solve for x
    x = 2,239,753,740.39/53,956.08
  6. Step 6: Final answer
    x = 41,510.68

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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.