Home / 63,669.64-87,891.03-42,977.62

Finding the Fourth Proportional to 63,669.64, 87,891.03 and 42,977.62

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Solution

The fourth proportional to 63,669.64, 87,891.03 and 42,977.62 is: 59,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.64 : 87,891.03 = 42,977.62 : x
  2. Step 2: Convert to fraction form
    63,669.64/87,891.03 = 42,977.62/x
  3. Step 3: Cross multiply
    63,669.64x = 87,891.03 × 42,977.62
  4. Step 4: Simplify right side
    63,669.64x = 3,777,347,288.75
  5. Step 5: Solve for x
    x = 3,777,347,288.75/63,669.64
  6. Step 6: Final answer
    x = 59,327.29

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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.