Home / 45,798.18-68,667.50-19,156.88

Finding the Fourth Proportional to 45,798.18, 68,667.50 and 19,156.88

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Solution

The fourth proportional to 45,798.18, 68,667.50 and 19,156.88 is: 28,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.18 : 68,667.50 = 19,156.88 : x
  2. Step 2: Convert to fraction form
    45,798.18/68,667.50 = 19,156.88/x
  3. Step 3: Cross multiply
    45,798.18x = 68,667.50 × 19,156.88
  4. Step 4: Simplify right side
    45,798.18x = 1,315,455,057.40
  5. Step 5: Solve for x
    x = 1,315,455,057.40/45,798.18
  6. Step 6: Final answer
    x = 28,722.87

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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.