Home / 55,127.39-76,073.99-30,926.88

Finding the Fourth Proportional to 55,127.39, 76,073.99 and 30,926.88

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Solution

The fourth proportional to 55,127.39, 76,073.99 and 30,926.88 is: 42,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.39 : 76,073.99 = 30,926.88 : x
  2. Step 2: Convert to fraction form
    55,127.39/76,073.99 = 30,926.88/x
  3. Step 3: Cross multiply
    55,127.39x = 76,073.99 × 30,926.88
  4. Step 4: Simplify right side
    55,127.39x = 2,352,731,005.22
  5. Step 5: Solve for x
    x = 2,352,731,005.22/55,127.39
  6. Step 6: Final answer
    x = 42,678.08

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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.