Home / 37,982.19-52,410.95-20,985.42

Finding the Fourth Proportional to 37,982.19, 52,410.95 and 20,985.42

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Solution

The fourth proportional to 37,982.19, 52,410.95 and 20,985.42 is: 28,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.19 : 52,410.95 = 20,985.42 : x
  2. Step 2: Convert to fraction form
    37,982.19/52,410.95 = 20,985.42/x
  3. Step 3: Cross multiply
    37,982.19x = 52,410.95 × 20,985.42
  4. Step 4: Simplify right side
    37,982.19x = 1,099,865,798.35
  5. Step 5: Solve for x
    x = 1,099,865,798.35/37,982.19
  6. Step 6: Final answer
    x = 28,957.41

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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.