Home / 45,758.10-68,648.40-15,772.80

Finding the Fourth Proportional to 45,758.10, 68,648.40 and 15,772.80

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Solution

The fourth proportional to 45,758.10, 68,648.40 and 15,772.80 is: 23,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.10 : 68,648.40 = 15,772.80 : x
  2. Step 2: Convert to fraction form
    45,758.10/68,648.40 = 15,772.80/x
  3. Step 3: Cross multiply
    45,758.10x = 68,648.40 × 15,772.80
  4. Step 4: Simplify right side
    45,758.10x = 1,082,777,483.52
  5. Step 5: Solve for x
    x = 1,082,777,483.52/45,758.10
  6. Step 6: Final answer
    x = 23,663.08

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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.