Home / 34,988.86-48,281.13-19,673.78

Finding the Fourth Proportional to 34,988.86, 48,281.13 and 19,673.78

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Solution

The fourth proportional to 34,988.86, 48,281.13 and 19,673.78 is: 27,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,988.86 : 48,281.13 = 19,673.78 : x
  2. Step 2: Convert to fraction form
    34,988.86/48,281.13 = 19,673.78/x
  3. Step 3: Cross multiply
    34,988.86x = 48,281.13 × 19,673.78
  4. Step 4: Simplify right side
    34,988.86x = 949,872,329.77
  5. Step 5: Solve for x
    x = 949,872,329.77/34,988.86
  6. Step 6: Final answer
    x = 27,147.85

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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.