Home / 51,756.42-77,634.90-15,733.21

Finding the Fourth Proportional to 51,756.42, 77,634.90 and 15,733.21

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Solution

The fourth proportional to 51,756.42, 77,634.90 and 15,733.21 is: 23,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.42 : 77,634.90 = 15,733.21 : x
  2. Step 2: Convert to fraction form
    51,756.42/77,634.90 = 15,733.21/x
  3. Step 3: Cross multiply
    51,756.42x = 77,634.90 × 15,733.21
  4. Step 4: Simplify right side
    51,756.42x = 1,221,445,931.94
  5. Step 5: Solve for x
    x = 1,221,445,931.94/51,756.42
  6. Step 6: Final answer
    x = 23,599.89

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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.