Home / 54,926.76-75,806.10-31,053.42

Finding the Fourth Proportional to 54,926.76, 75,806.10 and 31,053.42

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Solution

The fourth proportional to 54,926.76, 75,806.10 and 31,053.42 is: 42,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,926.76 : 75,806.10 = 31,053.42 : x
  2. Step 2: Convert to fraction form
    54,926.76/75,806.10 = 31,053.42/x
  3. Step 3: Cross multiply
    54,926.76x = 75,806.10 × 31,053.42
  4. Step 4: Simplify right side
    54,926.76x = 2,354,038,661.86
  5. Step 5: Solve for x
    x = 2,354,038,661.86/54,926.76
  6. Step 6: Final answer
    x = 42,857.77

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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.