Home / 37,903.50-52,305.75-20,907.81

Finding the Fourth Proportional to 37,903.50, 52,305.75 and 20,907.81

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Solution

The fourth proportional to 37,903.50, 52,305.75 and 20,907.81 is: 28,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,903.50 : 52,305.75 = 20,907.81 : x
  2. Step 2: Convert to fraction form
    37,903.50/52,305.75 = 20,907.81/x
  3. Step 3: Cross multiply
    37,903.50x = 52,305.75 × 20,907.81
  4. Step 4: Simplify right side
    37,903.50x = 1,093,598,682.91
  5. Step 5: Solve for x
    x = 1,093,598,682.91/37,903.50
  6. Step 6: Final answer
    x = 28,852.18

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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.