Home / 37,203.35-51,339.20-20,207.21

Finding the Fourth Proportional to 37,203.35, 51,339.20 and 20,207.21

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Solution

The fourth proportional to 37,203.35, 51,339.20 and 20,207.21 is: 27,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,203.35 : 51,339.20 = 20,207.21 : x
  2. Step 2: Convert to fraction form
    37,203.35/51,339.20 = 20,207.21/x
  3. Step 3: Cross multiply
    37,203.35x = 51,339.20 × 20,207.21
  4. Step 4: Simplify right side
    37,203.35x = 1,037,421,637.90
  5. Step 5: Solve for x
    x = 1,037,421,637.90/37,203.35
  6. Step 6: Final answer
    x = 27,885.17

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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.