Home / 54,730.47-75,528.15-30,857.09

Finding the Fourth Proportional to 54,730.47, 75,528.15 and 30,857.09

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Solution

The fourth proportional to 54,730.47, 75,528.15 and 30,857.09 is: 42,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,730.47 : 75,528.15 = 30,857.09 : x
  2. Step 2: Convert to fraction form
    54,730.47/75,528.15 = 30,857.09/x
  3. Step 3: Cross multiply
    54,730.47x = 75,528.15 × 30,857.09
  4. Step 4: Simplify right side
    54,730.47x = 2,330,578,428.73
  5. Step 5: Solve for x
    x = 2,330,578,428.73/54,730.47
  6. Step 6: Final answer
    x = 42,582.83

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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.