Home / 64,977.72-89,669.52-35,169.72

Finding the Fourth Proportional to 64,977.72, 89,669.52 and 35,169.72

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Solution

The fourth proportional to 64,977.72, 89,669.52 and 35,169.72 is: 48,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.72 : 89,669.52 = 35,169.72 : x
  2. Step 2: Convert to fraction form
    64,977.72/89,669.52 = 35,169.72/x
  3. Step 3: Cross multiply
    64,977.72x = 89,669.52 × 35,169.72
  4. Step 4: Simplify right side
    64,977.72x = 3,153,651,910.93
  5. Step 5: Solve for x
    x = 3,153,651,910.93/64,977.72
  6. Step 6: Final answer
    x = 48,534.36

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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.