Home / 51,885.87-77,828.82-40,056.91

Finding the Fourth Proportional to 51,885.87, 77,828.82 and 40,056.91

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Solution

The fourth proportional to 51,885.87, 77,828.82 and 40,056.91 is: 60,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,885.87 : 77,828.82 = 40,056.91 : x
  2. Step 2: Convert to fraction form
    51,885.87/77,828.82 = 40,056.91/x
  3. Step 3: Cross multiply
    51,885.87x = 77,828.82 × 40,056.91
  4. Step 4: Simplify right side
    51,885.87x = 3,117,582,038.15
  5. Step 5: Solve for x
    x = 3,117,582,038.15/51,885.87
  6. Step 6: Final answer
    x = 60,085.38

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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.