Home / 23,099.42-34,467.70-21,688.80

Finding the Fourth Proportional to 23,099.42, 34,467.70 and 21,688.80

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Solution

The fourth proportional to 23,099.42, 34,467.70 and 21,688.80 is: 32,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.42 : 34,467.70 = 21,688.80 : x
  2. Step 2: Convert to fraction form
    23,099.42/34,467.70 = 21,688.80/x
  3. Step 3: Cross multiply
    23,099.42x = 34,467.70 × 21,688.80
  4. Step 4: Simplify right side
    23,099.42x = 747,563,051.76
  5. Step 5: Solve for x
    x = 747,563,051.76/23,099.42
  6. Step 6: Final answer
    x = 32,362.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.