Home / 51,958.42-77,937.64-12,515.51

Finding the Fourth Proportional to 51,958.42, 77,937.64 and 12,515.51

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Solution

The fourth proportional to 51,958.42, 77,937.64 and 12,515.51 is: 18,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958.42 : 77,937.64 = 12,515.51 : x
  2. Step 2: Convert to fraction form
    51,958.42/77,937.64 = 12,515.51/x
  3. Step 3: Cross multiply
    51,958.42x = 77,937.64 × 12,515.51
  4. Step 4: Simplify right side
    51,958.42x = 975,429,476.35
  5. Step 5: Solve for x
    x = 975,429,476.35/51,958.42
  6. Step 6: Final answer
    x = 18,773.27

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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.