Home / 30,377.41-45,567.50-9,315.91

Finding the Fourth Proportional to 30,377.41, 45,567.50 and 9,315.91

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Solution

The fourth proportional to 30,377.41, 45,567.50 and 9,315.91 is: 13,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.41 : 45,567.50 = 9,315.91 : x
  2. Step 2: Convert to fraction form
    30,377.41/45,567.50 = 9,315.91/x
  3. Step 3: Cross multiply
    30,377.41x = 45,567.50 × 9,315.91
  4. Step 4: Simplify right side
    30,377.41x = 424,502,728.93
  5. Step 5: Solve for x
    x = 424,502,728.93/30,377.41
  6. Step 6: Final answer
    x = 13,974.29

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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.