Home / 37,138.48-51,252.12-21,225.52

Finding the Fourth Proportional to 37,138.48, 51,252.12 and 21,225.52

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Solution

The fourth proportional to 37,138.48, 51,252.12 and 21,225.52 is: 29,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.48 : 51,252.12 = 21,225.52 : x
  2. Step 2: Convert to fraction form
    37,138.48/51,252.12 = 21,225.52/x
  3. Step 3: Cross multiply
    37,138.48x = 51,252.12 × 21,225.52
  4. Step 4: Simplify right side
    37,138.48x = 1,087,852,898.10
  5. Step 5: Solve for x
    x = 1,087,852,898.10/37,138.48
  6. Step 6: Final answer
    x = 29,291.80

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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.