Home / 37,275.72-51,440.13-21,145.98

Finding the Fourth Proportional to 37,275.72, 51,440.13 and 21,145.98

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Solution

The fourth proportional to 37,275.72, 51,440.13 and 21,145.98 is: 29,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.72 : 51,440.13 = 21,145.98 : x
  2. Step 2: Convert to fraction form
    37,275.72/51,440.13 = 21,145.98/x
  3. Step 3: Cross multiply
    37,275.72x = 51,440.13 × 21,145.98
  4. Step 4: Simplify right side
    37,275.72x = 1,087,751,960.18
  5. Step 5: Solve for x
    x = 1,087,751,960.18/37,275.72
  6. Step 6: Final answer
    x = 29,181.25

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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.