Home / 37,985.67-52,419.33-20,988.99

Finding the Fourth Proportional to 37,985.67, 52,419.33 and 20,988.99

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Solution

The fourth proportional to 37,985.67, 52,419.33 and 20,988.99 is: 28,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.67 : 52,419.33 = 20,988.99 : x
  2. Step 2: Convert to fraction form
    37,985.67/52,419.33 = 20,988.99/x
  3. Step 3: Cross multiply
    37,985.67x = 52,419.33 × 20,988.99
  4. Step 4: Simplify right side
    37,985.67x = 1,100,228,793.18
  5. Step 5: Solve for x
    x = 1,100,228,793.18/37,985.67
  6. Step 6: Final answer
    x = 28,964.31

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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.