Home / 45,096.12-67,655.52-21,411.72

Finding the Fourth Proportional to 45,096.12, 67,655.52 and 21,411.72

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Solution

The fourth proportional to 45,096.12, 67,655.52 and 21,411.72 is: 32,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,096.12 : 67,655.52 = 21,411.72 : x
  2. Step 2: Convert to fraction form
    45,096.12/67,655.52 = 21,411.72/x
  3. Step 3: Cross multiply
    45,096.12x = 67,655.52 × 21,411.72
  4. Step 4: Simplify right side
    45,096.12x = 1,448,621,050.69
  5. Step 5: Solve for x
    x = 1,448,621,050.69/45,096.12
  6. Step 6: Final answer
    x = 32,122.96

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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.