Home / 51,756.42-77,437.80-31,985.94

Finding the Fourth Proportional to 51,756.42, 77,437.80 and 31,985.94

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Solution

The fourth proportional to 51,756.42, 77,437.80 and 31,985.94 is: 47,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.42 : 77,437.80 = 31,985.94 : x
  2. Step 2: Convert to fraction form
    51,756.42/77,437.80 = 31,985.94/x
  3. Step 3: Cross multiply
    51,756.42x = 77,437.80 × 31,985.94
  4. Step 4: Simplify right side
    51,756.42x = 2,476,920,824.53
  5. Step 5: Solve for x
    x = 2,476,920,824.53/51,756.42
  6. Step 6: Final answer
    x = 47,857.27

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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.