Home / 45,302.53-67,939.95-21,597.58

Finding the Fourth Proportional to 45,302.53, 67,939.95 and 21,597.58

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Solution

The fourth proportional to 45,302.53, 67,939.95 and 21,597.58 is: 32,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.53 : 67,939.95 = 21,597.58 : x
  2. Step 2: Convert to fraction form
    45,302.53/67,939.95 = 21,597.58/x
  3. Step 3: Cross multiply
    45,302.53x = 67,939.95 × 21,597.58
  4. Step 4: Simplify right side
    45,302.53x = 1,467,338,505.32
  5. Step 5: Solve for x
    x = 1,467,338,505.32/45,302.53
  6. Step 6: Final answer
    x = 32,389.77

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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.