Home / 45,588.80-68,383.20-42,308.30

Finding the Fourth Proportional to 45,588.80, 68,383.20 and 42,308.30

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Solution

The fourth proportional to 45,588.80, 68,383.20 and 42,308.30 is: 63,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.80 : 68,383.20 = 42,308.30 : x
  2. Step 2: Convert to fraction form
    45,588.80/68,383.20 = 42,308.30/x
  3. Step 3: Cross multiply
    45,588.80x = 68,383.20 × 42,308.30
  4. Step 4: Simplify right side
    45,588.80x = 2,893,176,940.56
  5. Step 5: Solve for x
    x = 2,893,176,940.56/45,588.80
  6. Step 6: Final answer
    x = 63,462.45

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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.