Home / 37,428.48-56,126.70-12,461.76

Finding the Fourth Proportional to 37,428.48, 56,126.70 and 12,461.76

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Solution

The fourth proportional to 37,428.48, 56,126.70 and 12,461.76 is: 18,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.48 : 56,126.70 = 12,461.76 : x
  2. Step 2: Convert to fraction form
    37,428.48/56,126.70 = 12,461.76/x
  3. Step 3: Cross multiply
    37,428.48x = 56,126.70 × 12,461.76
  4. Step 4: Simplify right side
    37,428.48x = 699,437,464.99
  5. Step 5: Solve for x
    x = 699,437,464.99/37,428.48
  6. Step 6: Final answer
    x = 18,687.31

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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.