Home / 37,019.52-51,086.88-20,885.76

Finding the Fourth Proportional to 37,019.52, 51,086.88 and 20,885.76

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Solution

The fourth proportional to 37,019.52, 51,086.88 and 20,885.76 is: 28,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,019.52 : 51,086.88 = 20,885.76 : x
  2. Step 2: Convert to fraction form
    37,019.52/51,086.88 = 20,885.76/x
  3. Step 3: Cross multiply
    37,019.52x = 51,086.88 × 20,885.76
  4. Step 4: Simplify right side
    37,019.52x = 1,066,988,314.83
  5. Step 5: Solve for x
    x = 1,066,988,314.83/37,019.52
  6. Step 6: Final answer
    x = 28,822.32

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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.