Home / 51,295.79-70,817.63-39,100.53

Finding the Fourth Proportional to 51,295.79, 70,817.63 and 39,100.53

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Solution

The fourth proportional to 51,295.79, 70,817.63 and 39,100.53 is: 53,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,295.79 : 70,817.63 = 39,100.53 : x
  2. Step 2: Convert to fraction form
    51,295.79/70,817.63 = 39,100.53/x
  3. Step 3: Cross multiply
    51,295.79x = 70,817.63 × 39,100.53
  4. Step 4: Simplify right side
    51,295.79x = 2,769,006,936.41
  5. Step 5: Solve for x
    x = 2,769,006,936.41/51,295.79
  6. Step 6: Final answer
    x = 53,981.17

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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.