Home / 37,277.32-51,443.04-20,281.72

Finding the Fourth Proportional to 37,277.32, 51,443.04 and 20,281.72

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Solution

The fourth proportional to 37,277.32, 51,443.04 and 20,281.72 is: 27,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,277.32 : 51,443.04 = 20,281.72 : x
  2. Step 2: Convert to fraction form
    37,277.32/51,443.04 = 20,281.72/x
  3. Step 3: Cross multiply
    37,277.32x = 51,443.04 × 20,281.72
  4. Step 4: Simplify right side
    37,277.32x = 1,043,353,333.23
  5. Step 5: Solve for x
    x = 1,043,353,333.23/37,277.32
  6. Step 6: Final answer
    x = 27,988.96

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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.