Home / 51,547.53-71,169.86-39,589.50

Finding the Fourth Proportional to 51,547.53, 71,169.86 and 39,589.50

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Solution

The fourth proportional to 51,547.53, 71,169.86 and 39,589.50 is: 54,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.53 : 71,169.86 = 39,589.50 : x
  2. Step 2: Convert to fraction form
    51,547.53/71,169.86 = 39,589.50/x
  3. Step 3: Cross multiply
    51,547.53x = 71,169.86 × 39,589.50
  4. Step 4: Simplify right side
    51,547.53x = 2,817,579,172.47
  5. Step 5: Solve for x
    x = 2,817,579,172.47/51,547.53
  6. Step 6: Final answer
    x = 54,659.83

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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.