Home / 37,865.82-52,254.50-20,870.76

Finding the Fourth Proportional to 37,865.82, 52,254.50 and 20,870.76

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Solution

The fourth proportional to 37,865.82, 52,254.50 and 20,870.76 is: 28,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.82 : 52,254.50 = 20,870.76 : x
  2. Step 2: Convert to fraction form
    37,865.82/52,254.50 = 20,870.76/x
  3. Step 3: Cross multiply
    37,865.82x = 52,254.50 × 20,870.76
  4. Step 4: Simplify right side
    37,865.82x = 1,090,591,128.42
  5. Step 5: Solve for x
    x = 1,090,591,128.42/37,865.82
  6. Step 6: Final answer
    x = 28,801.47

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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.