Home / 49,536.13-68,359.86-28,315.86

Finding the Fourth Proportional to 49,536.13, 68,359.86 and 28,315.86

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Solution

The fourth proportional to 49,536.13, 68,359.86 and 28,315.86 is: 39,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,536.13 : 68,359.86 = 28,315.86 : x
  2. Step 2: Convert to fraction form
    49,536.13/68,359.86 = 28,315.86/x
  3. Step 3: Cross multiply
    49,536.13x = 68,359.86 × 28,315.86
  4. Step 4: Simplify right side
    49,536.13x = 1,935,668,225.38
  5. Step 5: Solve for x
    x = 1,935,668,225.38/49,536.13
  6. Step 6: Final answer
    x = 39,075.89

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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.