Home / 37,983.20-52,419.88-20,988.93

Finding the Fourth Proportional to 37,983.20, 52,419.88 and 20,988.93

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Solution

The fourth proportional to 37,983.20, 52,419.88 and 20,988.93 is: 28,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.20 : 52,419.88 = 20,988.93 : x
  2. Step 2: Convert to fraction form
    37,983.20/52,419.88 = 20,988.93/x
  3. Step 3: Cross multiply
    37,983.20x = 52,419.88 × 20,988.93
  4. Step 4: Simplify right side
    37,983.20x = 1,100,237,191.93
  5. Step 5: Solve for x
    x = 1,100,237,191.93/37,983.20
  6. Step 6: Final answer
    x = 28,966.42

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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.