Home / 64,135.80-96,214.23-19,762.56

Finding the Fourth Proportional to 64,135.80, 96,214.23 and 19,762.56

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Solution

The fourth proportional to 64,135.80, 96,214.23 and 19,762.56 is: 29,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.80 : 96,214.23 = 19,762.56 : x
  2. Step 2: Convert to fraction form
    64,135.80/96,214.23 = 19,762.56/x
  3. Step 3: Cross multiply
    64,135.80x = 96,214.23 × 19,762.56
  4. Step 4: Simplify right side
    64,135.80x = 1,901,439,493.23
  5. Step 5: Solve for x
    x = 1,901,439,493.23/64,135.80
  6. Step 6: Final answer
    x = 29,647.08

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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.