Home / 30,306.65-45,479.43-14,715.77

Finding the Fourth Proportional to 30,306.65, 45,479.43 and 14,715.77

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Solution

The fourth proportional to 30,306.65, 45,479.43 and 14,715.77 is: 22,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.65 : 45,479.43 = 14,715.77 : x
  2. Step 2: Convert to fraction form
    30,306.65/45,479.43 = 14,715.77/x
  3. Step 3: Cross multiply
    30,306.65x = 45,479.43 × 14,715.77
  4. Step 4: Simplify right side
    30,306.65x = 669,264,604.21
  5. Step 5: Solve for x
    x = 669,264,604.21/30,306.65
  6. Step 6: Final answer
    x = 22,083.10

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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.