Home / 64,745.40-96,923.70-38,436.60

Finding the Fourth Proportional to 64,745.40, 96,923.70 and 38,436.60

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Solution

The fourth proportional to 64,745.40, 96,923.70 and 38,436.60 is: 57,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,745.40 : 96,923.70 = 38,436.60 : x
  2. Step 2: Convert to fraction form
    64,745.40/96,923.70 = 38,436.60/x
  3. Step 3: Cross multiply
    64,745.40x = 96,923.70 × 38,436.60
  4. Step 4: Simplify right side
    64,745.40x = 3,725,417,487.42
  5. Step 5: Solve for x
    x = 3,725,417,487.42/64,745.40
  6. Step 6: Final answer
    x = 57,539.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.