Home / 51,492.81-77,236.90-14,052.76

Finding the Fourth Proportional to 51,492.81, 77,236.90 and 14,052.76

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Solution

The fourth proportional to 51,492.81, 77,236.90 and 14,052.76 is: 21,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.81 : 77,236.90 = 14,052.76 : x
  2. Step 2: Convert to fraction form
    51,492.81/77,236.90 = 14,052.76/x
  3. Step 3: Cross multiply
    51,492.81x = 77,236.90 × 14,052.76
  4. Step 4: Simplify right side
    51,492.81x = 1,085,391,618.84
  5. Step 5: Solve for x
    x = 1,085,391,618.84/51,492.81
  6. Step 6: Final answer
    x = 21,078.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.