Home / 31,453,800.65-43,369,103.88-21,535,492.92

Finding the Fourth Proportional to 31,453,800.65, 43,369,103.88 and 21,535,492.92

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Solution

The fourth proportional to 31,453,800.65, 43,369,103.88 and 21,535,492.92 is: 29,693,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,800.65 : 43,369,103.88 = 21,535,492.92 : x
  2. Step 2: Convert to fraction form
    31,453,800.65/43,369,103.88 = 21,535,492.92/x
  3. Step 3: Cross multiply
    31,453,800.65x = 43,369,103.88 × 21,535,492.92
  4. Step 4: Simplify right side
    31,453,800.65x = 933,975,029,256,880.88
  5. Step 5: Solve for x
    x = 933,975,029,256,880.88/31,453,800.65
  6. Step 6: Final answer
    x = 29,693,550.86

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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.