Home / 37,738.26-52,070.85-20,970.90

Finding the Fourth Proportional to 37,738.26, 52,070.85 and 20,970.90

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Solution

The fourth proportional to 37,738.26, 52,070.85 and 20,970.90 is: 28,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,738.26 : 52,070.85 = 20,970.90 : x
  2. Step 2: Convert to fraction form
    37,738.26/52,070.85 = 20,970.90/x
  3. Step 3: Cross multiply
    37,738.26x = 52,070.85 × 20,970.90
  4. Step 4: Simplify right side
    37,738.26x = 1,091,972,588.27
  5. Step 5: Solve for x
    x = 1,091,972,588.27/37,738.26
  6. Step 6: Final answer
    x = 28,935.42

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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.