Home / 37,686.56-52,010.16-20,919.44

Finding the Fourth Proportional to 37,686.56, 52,010.16 and 20,919.44

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Solution

The fourth proportional to 37,686.56, 52,010.16 and 20,919.44 is: 28,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.56 : 52,010.16 = 20,919.44 : x
  2. Step 2: Convert to fraction form
    37,686.56/52,010.16 = 20,919.44/x
  3. Step 3: Cross multiply
    37,686.56x = 52,010.16 × 20,919.44
  4. Step 4: Simplify right side
    37,686.56x = 1,088,023,421.51
  5. Step 5: Solve for x
    x = 1,088,023,421.51/37,686.56
  6. Step 6: Final answer
    x = 28,870.33

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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.