Home / 37,154.08-51,270.88-20,386.72

Finding the Fourth Proportional to 37,154.08, 51,270.88 and 20,386.72

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Solution

The fourth proportional to 37,154.08, 51,270.88 and 20,386.72 is: 28,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.08 : 51,270.88 = 20,386.72 : x
  2. Step 2: Convert to fraction form
    37,154.08/51,270.88 = 20,386.72/x
  3. Step 3: Cross multiply
    37,154.08x = 51,270.88 × 20,386.72
  4. Step 4: Simplify right side
    37,154.08x = 1,045,245,074.71
  5. Step 5: Solve for x
    x = 1,045,245,074.71/37,154.08
  6. Step 6: Final answer
    x = 28,132.71

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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.