Home / 37,977.21-52,407.93-20,982.17

Finding the Fourth Proportional to 37,977.21, 52,407.93 and 20,982.17

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Solution

The fourth proportional to 37,977.21, 52,407.93 and 20,982.17 is: 28,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.21 : 52,407.93 = 20,982.17 : x
  2. Step 2: Convert to fraction form
    37,977.21/52,407.93 = 20,982.17/x
  3. Step 3: Cross multiply
    37,977.21x = 52,407.93 × 20,982.17
  4. Step 4: Simplify right side
    37,977.21x = 1,099,631,834.57
  5. Step 5: Solve for x
    x = 1,099,631,834.57/37,977.21
  6. Step 6: Final answer
    x = 28,955.05

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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.