Home / 42,588.30-63,894.78-17,623.74

Finding the Fourth Proportional to 42,588.30, 63,894.78 and 17,623.74

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Solution

The fourth proportional to 42,588.30, 63,894.78 and 17,623.74 is: 26,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,588.30 : 63,894.78 = 17,623.74 : x
  2. Step 2: Convert to fraction form
    42,588.30/63,894.78 = 17,623.74/x
  3. Step 3: Cross multiply
    42,588.30x = 63,894.78 × 17,623.74
  4. Step 4: Simplify right side
    42,588.30x = 1,126,064,990.08
  5. Step 5: Solve for x
    x = 1,126,064,990.08/42,588.30
  6. Step 6: Final answer
    x = 26,440.71

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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.