Home / 37,071.50-51,158.67-20,304.86

Finding the Fourth Proportional to 37,071.50, 51,158.67 and 20,304.86

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Solution

The fourth proportional to 37,071.50, 51,158.67 and 20,304.86 is: 28,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.50 : 51,158.67 = 20,304.86 : x
  2. Step 2: Convert to fraction form
    37,071.50/51,158.67 = 20,304.86/x
  3. Step 3: Cross multiply
    37,071.50x = 51,158.67 × 20,304.86
  4. Step 4: Simplify right side
    37,071.50x = 1,038,769,632.14
  5. Step 5: Solve for x
    x = 1,038,769,632.14/37,071.50
  6. Step 6: Final answer
    x = 28,020.71

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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.