Home / 34,920.41-52,387.53-13,870.36

Finding the Fourth Proportional to 34,920.41, 52,387.53 and 13,870.36

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Solution

The fourth proportional to 34,920.41, 52,387.53 and 13,870.36 is: 20,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.41 : 52,387.53 = 13,870.36 : x
  2. Step 2: Convert to fraction form
    34,920.41/52,387.53 = 13,870.36/x
  3. Step 3: Cross multiply
    34,920.41x = 52,387.53 × 13,870.36
  4. Step 4: Simplify right side
    34,920.41x = 726,634,178.45
  5. Step 5: Solve for x
    x = 726,634,178.45/34,920.41
  6. Step 6: Final answer
    x = 20,808.29

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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.