Home / 45,095.85-67,660.20-21,410.64

Finding the Fourth Proportional to 45,095.85, 67,660.20 and 21,410.64

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Solution

The fourth proportional to 45,095.85, 67,660.20 and 21,410.64 is: 32,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.85 : 67,660.20 = 21,410.64 : x
  2. Step 2: Convert to fraction form
    45,095.85/67,660.20 = 21,410.64/x
  3. Step 3: Cross multiply
    45,095.85x = 67,660.20 × 21,410.64
  4. Step 4: Simplify right side
    45,095.85x = 1,448,648,184.53
  5. Step 5: Solve for x
    x = 1,448,648,184.53/45,095.85
  6. Step 6: Final answer
    x = 32,123.76

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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.