Home / 40,898.16-61,347.16-11,315.91

Finding the Fourth Proportional to 40,898.16, 61,347.16 and 11,315.91

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Solution

The fourth proportional to 40,898.16, 61,347.16 and 11,315.91 is: 16,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.16 : 61,347.16 = 11,315.91 : x
  2. Step 2: Convert to fraction form
    40,898.16/61,347.16 = 11,315.91/x
  3. Step 3: Cross multiply
    40,898.16x = 61,347.16 × 11,315.91
  4. Step 4: Simplify right side
    40,898.16x = 694,198,913.03
  5. Step 5: Solve for x
    x = 694,198,913.03/40,898.16
  6. Step 6: Final answer
    x = 16,973.84

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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.