Home / 45,314.56-67,970.49-26,580.21

Finding the Fourth Proportional to 45,314.56, 67,970.49 and 26,580.21

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Solution

The fourth proportional to 45,314.56, 67,970.49 and 26,580.21 is: 39,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.56 : 67,970.49 = 26,580.21 : x
  2. Step 2: Convert to fraction form
    45,314.56/67,970.49 = 26,580.21/x
  3. Step 3: Cross multiply
    45,314.56x = 67,970.49 × 26,580.21
  4. Step 4: Simplify right side
    45,314.56x = 1,806,669,898.00
  5. Step 5: Solve for x
    x = 1,806,669,898.00/45,314.56
  6. Step 6: Final answer
    x = 39,869.52

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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.