Home / 69,817-96,346.92-37,985.80

Finding the Fourth Proportional to 69,817, 96,346.92 and 37,985.80

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Solution

The fourth proportional to 69,817, 96,346.92 and 37,985.80 is: 52,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,817 : 96,346.92 = 37,985.80 : x
  2. Step 2: Convert to fraction form
    69,817/96,346.92 = 37,985.80/x
  3. Step 3: Cross multiply
    69,817x = 96,346.92 × 37,985.80
  4. Step 4: Simplify right side
    69,817x = 3,659,814,833.74
  5. Step 5: Solve for x
    x = 3,659,814,833.74/69,817
  6. Step 6: Final answer
    x = 52,420.11

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1.5x scale

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.