Home / 45,035.46-67,465.71-21,678.30

Finding the Fourth Proportional to 45,035.46, 67,465.71 and 21,678.30

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Solution

The fourth proportional to 45,035.46, 67,465.71 and 21,678.30 is: 32,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.46 : 67,465.71 = 21,678.30 : x
  2. Step 2: Convert to fraction form
    45,035.46/67,465.71 = 21,678.30/x
  3. Step 3: Cross multiply
    45,035.46x = 67,465.71 × 21,678.30
  4. Step 4: Simplify right side
    45,035.46x = 1,462,541,901.09
  5. Step 5: Solve for x
    x = 1,462,541,901.09/45,035.46
  6. Step 6: Final answer
    x = 32,475.34

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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.