Home / 61,620.20-85,033.96-34,762.35

Finding the Fourth Proportional to 61,620.20, 85,033.96 and 34,762.35

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Solution

The fourth proportional to 61,620.20, 85,033.96 and 34,762.35 is: 47,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.20 : 85,033.96 = 34,762.35 : x
  2. Step 2: Convert to fraction form
    61,620.20/85,033.96 = 34,762.35/x
  3. Step 3: Cross multiply
    61,620.20x = 85,033.96 × 34,762.35
  4. Step 4: Simplify right side
    61,620.20x = 2,955,980,279.41
  5. Step 5: Solve for x
    x = 2,955,980,279.41/61,620.20
  6. Step 6: Final answer
    x = 47,970.96

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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.