Home / 37,577.28-51,856.64-20,810.28

Finding the Fourth Proportional to 37,577.28, 51,856.64 and 20,810.28

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Solution

The fourth proportional to 37,577.28, 51,856.64 and 20,810.28 is: 28,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,577.28 : 51,856.64 = 20,810.28 : x
  2. Step 2: Convert to fraction form
    37,577.28/51,856.64 = 20,810.28/x
  3. Step 3: Cross multiply
    37,577.28x = 51,856.64 × 20,810.28
  4. Step 4: Simplify right side
    37,577.28x = 1,079,151,198.26
  5. Step 5: Solve for x
    x = 1,079,151,198.26/37,577.28
  6. Step 6: Final answer
    x = 28,718.18

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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.