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Finding the Fourth Proportional to 62,347.80, 86,018.61 and 35,483.58

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Solution

The fourth proportional to 62,347.80, 86,018.61 and 35,483.58 is: 48,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,347.80 : 86,018.61 = 35,483.58 : x
  2. Step 2: Convert to fraction form
    62,347.80/86,018.61 = 35,483.58/x
  3. Step 3: Cross multiply
    62,347.80x = 86,018.61 × 35,483.58
  4. Step 4: Simplify right side
    62,347.80x = 3,052,248,229.42
  5. Step 5: Solve for x
    x = 3,052,248,229.42/62,347.80
  6. Step 6: Final answer
    x = 48,955.19

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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.