Home / 56,438.84-77,885.46-31,288.52

Finding the Fourth Proportional to 56,438.84, 77,885.46 and 31,288.52

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Solution

The fourth proportional to 56,438.84, 77,885.46 and 31,288.52 is: 43,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.84 : 77,885.46 = 31,288.52 : x
  2. Step 2: Convert to fraction form
    56,438.84/77,885.46 = 31,288.52/x
  3. Step 3: Cross multiply
    56,438.84x = 77,885.46 × 31,288.52
  4. Step 4: Simplify right side
    56,438.84x = 2,436,920,772.92
  5. Step 5: Solve for x
    x = 2,436,920,772.92/56,438.84
  6. Step 6: Final answer
    x = 43,178.08

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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.