Home / 37,761.12-52,109.93-20,766.51

Finding the Fourth Proportional to 37,761.12, 52,109.93 and 20,766.51

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Solution

The fourth proportional to 37,761.12, 52,109.93 and 20,766.51 is: 28,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.12 : 52,109.93 = 20,766.51 : x
  2. Step 2: Convert to fraction form
    37,761.12/52,109.93 = 20,766.51/x
  3. Step 3: Cross multiply
    37,761.12x = 52,109.93 × 20,766.51
  4. Step 4: Simplify right side
    37,761.12x = 1,082,141,434.36
  5. Step 5: Solve for x
    x = 1,082,141,434.36/37,761.12
  6. Step 6: Final answer
    x = 28,657.56

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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.