Home / 51,685.48-71,307.30-29,316.52

Finding the Fourth Proportional to 51,685.48, 71,307.30 and 29,316.52

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Solution

The fourth proportional to 51,685.48, 71,307.30 and 29,316.52 is: 40,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.48 : 71,307.30 = 29,316.52 : x
  2. Step 2: Convert to fraction form
    51,685.48/71,307.30 = 29,316.52/x
  3. Step 3: Cross multiply
    51,685.48x = 71,307.30 × 29,316.52
  4. Step 4: Simplify right side
    51,685.48x = 2,090,481,886.60
  5. Step 5: Solve for x
    x = 2,090,481,886.60/51,685.48
  6. Step 6: Final answer
    x = 40,446.21

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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.