Home / 37,262.09-51,428.99-21,357.20

Finding the Fourth Proportional to 37,262.09, 51,428.99 and 21,357.20

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Solution

The fourth proportional to 37,262.09, 51,428.99 and 21,357.20 is: 29,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,262.09 : 51,428.99 = 21,357.20 : x
  2. Step 2: Convert to fraction form
    37,262.09/51,428.99 = 21,357.20/x
  3. Step 3: Cross multiply
    37,262.09x = 51,428.99 × 21,357.20
  4. Step 4: Simplify right side
    37,262.09x = 1,098,379,225.23
  5. Step 5: Solve for x
    x = 1,098,379,225.23/37,262.09
  6. Step 6: Final answer
    x = 29,477.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.