Home / 42,549.84-63,824.76-19,182.96

Finding the Fourth Proportional to 42,549.84, 63,824.76 and 19,182.96

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Solution

The fourth proportional to 42,549.84, 63,824.76 and 19,182.96 is: 28,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.84 : 63,824.76 = 19,182.96 : x
  2. Step 2: Convert to fraction form
    42,549.84/63,824.76 = 19,182.96/x
  3. Step 3: Cross multiply
    42,549.84x = 63,824.76 × 19,182.96
  4. Step 4: Simplify right side
    42,549.84x = 1,224,347,818.09
  5. Step 5: Solve for x
    x = 1,224,347,818.09/42,549.84
  6. Step 6: Final answer
    x = 28,774.44

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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.