Home / 37,038.24-51,109.68-21,122.40

Finding the Fourth Proportional to 37,038.24, 51,109.68 and 21,122.40

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Solution

The fourth proportional to 37,038.24, 51,109.68 and 21,122.40 is: 29,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.24 : 51,109.68 = 21,122.40 : x
  2. Step 2: Convert to fraction form
    37,038.24/51,109.68 = 21,122.40/x
  3. Step 3: Cross multiply
    37,038.24x = 51,109.68 × 21,122.40
  4. Step 4: Simplify right side
    37,038.24x = 1,079,559,104.83
  5. Step 5: Solve for x
    x = 1,079,559,104.83/37,038.24
  6. Step 6: Final answer
    x = 29,147.15

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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.